Wikipedia:WikiProject Aviation/Style guide/Citations
This is an essay on style. It contains the advice or opinions of one or more WikiProjects on how to format and present article content within their area of interest. This information is not a formal Wikipedia policy or guideline, as it has not been thoroughly vetted by the community. |
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General information |
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Style and formatting |
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Sourcing and citation
[edit]Sources
[edit]Policy requires that articles reference only reliable sources; however, this is a minimal condition, rather than a final goal. With the exception of certain recent topics that have not yet become the subject of extensive secondary analysis, and for which a lower standard may be temporarily permitted, articles on military history should aim to be based primarily on published secondary works by reputable historians. The use of high-quality primary sources is also appropriate, but care should be taken to use them correctly, without straying into original research. Editors are encouraged to extensively survey the available literature—and, in particular, any available historiographic commentary—regarding an article's topic in order to identify every source considered to be authoritative or significant; these sources should, if possible, be directly consulted when writing the article.
Citations
[edit]The nature of historical material requires that articles be thoroughly—even exhaustively—cited. At a minimum, the following all require direct citation:
- Direct quotations of outside material
- Paraphrase or other borrowing of ideas from an outside source
- Controversial or disputed statements
- Subjective or qualitative judgements
- Numerical quantities or statistics
In general, any statement for which a citation has been explicitly requested by another editor should be provided with one as well.
Beyond this, editors are encouraged to cite any statement that is obscure or difficult to find in the available sources, as well as any significant statement in general. There is no numerical requirement for a particular density of citations or for some predetermined number of citations in an article; editors are expected to use their best judgement as to how much citation is appropriate. When in doubt, cite; additional citations are harmless at worst, and may prove invaluable in the long term.
Citation styles
[edit]In general, articles may use one of two citation styles:
- Footnotes
- Footnotes are generally the more appropriate option when the level of citation is very dense, or where the citations include additional commentary. A number of different formatting styles are available; so long as an article is internally consistent, the choice of which to use is left to the discretion of the major editors. For example, discursive notes may either be combined with citations (as here and here), or separated (as here).
- A single footnote may be used to provide citations for any amount of material; while they typically apply to one or a few sentences, they may also cover entire paragraphs or sections of text. In cases where the connection between the citations and the material cited is not obvious, it is helpful to describe it explicitly (for example, "For the details of the operation, see Smith, First Book, 143–188, and Jones, Another Book, chapters 2–7; for the international reaction, see Thomas, Yet Another Book, 122–191").
- Harvard-style references
- Harvard-style references are useful where a limited number of simple citations is needed; they typically should not be used if the article has a significant number of other items in parentheses, or if citations must be accompanied by commentary.
The final choice of which style to follow is left to the discretion of an article's editors.
Requesting citations
[edit]Editors should attempt to take a reasonable approach when requesting citations. Unless the accuracy of a statement is in significant doubt, it is generally better to start with a request for citations on the article's talk page, rather than by inserting {{fact}} tags—particularly large numbers of such tags—into the article. Over-tagging should be avoided; if a large portion of the article is uncited, adding an {{unreferenced}} or {{citation style}} tag to an entire section is usually more helpful than simply placing {{fact}} tags on every sentence. Note that some articles contain per-paragraph citations, so checking the citations at the end of a paragraph may yield information about facts or figures in the paragraph as a whole.