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I am trying to cite the image at http://en.wikipedia.org/wiki/File:Shoe-parts-en.svg. However, how would I cite the autors/contributors, since I don't know their actual name. Do I just cite their username?

Possible complications:

  • Some online services allow users to change their username.
  • Some services change the capitalization of usernames depending on the context.
  • Some services allow special characters to be included in usernames, which may include formatting marks (of the sort used to delimit the author's name from the rest of the citation).
  • Usernames are not necessarily consistent across different online services.

NOTE: I actually just found the page on wikipedia dealing with this, at http://en.wikipedia.org/wiki/Wikipedia:Citing_Wikipedia — it says to not cite any authors. (So it doesn't actually answer the question I stated above, it just solves my situation)

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You should just cite the webpage you got it from. At least, that is the case for many scientific journals, you did not specify where you are citing. –  terdon May 22 '13 at 13:42
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1 Answer

up vote 1 down vote accepted

In the 6th edition of APA the use of usernames is allowed for when referencing an online forum or discussion board (see Referencing online material in APA). The format given is: author or username, date of publication, title / subject line, [Online forum comment / Web log message], URL address.

Tangerine. (2007, January 16). This is a classic case of Ask Culture meets Guess Culture [Online forum comment]. Retrieved from http://ask.metafilter.com/55153/Whats-the-middle-ground-between-FU-and-Welcome#830421

(note: I don't know how to do hanging indent, but that's meant to be used as well)

While this doesn't specifically address your image citation question, I would think the same guidelines would apply.

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