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Citation styles for ISO 639

APA style

ISO 639. (2007, August 2). Glottopedia, . Retrieved 19:08, March 1, 2026 from http://glottopedia.org/index.php?title=ISO_639&oldid=2963.

MLA style

"ISO 639." Glottopedia, . 2 Aug 2007, 20:10 UTC. 1 Mar 2026, 19:08 <http://glottopedia.org/index.php?title=ISO_639&oldid=2963>.

MHRA style

Glottopedia contributors, 'ISO 639', Glottopedia, , 2 August 2007, 20:10 UTC, <http://glottopedia.org/index.php?title=ISO_639&oldid=2963> [accessed 1 March 2026]

Chicago style

Glottopedia contributors, "ISO 639," Glottopedia, , http://glottopedia.org/index.php?title=ISO_639&oldid=2963 (accessed March 1, 2026).

CBE/CSE style

Glottopedia contributors. ISO 639 [Internet]. Glottopedia, ; 2007 Aug 2, 20:10 UTC [cited 2026 Mar 1]. Available from: http://glottopedia.org/index.php?title=ISO_639&oldid=2963.

Bluebook style

ISO 639, http://glottopedia.org/index.php?title=ISO_639&oldid=2963 (last visited March 1, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Glottopedia",
   title = "ISO 639 --- Glottopedia{,} ",
   year = "2007",
   url = "http://glottopedia.org/index.php?title=ISO_639&oldid=2963",
   note = "[Online; accessed 1-March-2026]"
 }

When using the LaTeX package url (\usepackage{url} somewhere in the preamble) which tends to give much more nicely formatted web addresses, the following may be preferred:

 @misc{ wiki:xxx,
   author = "Glottopedia",
   title = "ISO 639 --- Glottopedia{,} ",
   year = "2007",
   url = "\url{http://glottopedia.org/index.php?title=ISO_639&oldid=2963}",
   note = "[Online; accessed 1-March-2026]"
 }