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Citation styles for Luhn algorithm

APA style

Luhn algorithm. (2019, June 11). zaoniao, . Retrieved 08:09, May 15, 2026 from http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775.

MLA style

"Luhn algorithm." zaoniao, . 11 Jun 2019, 04:52 UTC. 15 May 2026, 08:09 <http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775>.

MHRA style

zaoniao contributors, 'Luhn algorithm', zaoniao, , 11 June 2019, 04:52 UTC, <http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775> [accessed 15 May 2026]

Chicago style

zaoniao contributors, "Luhn algorithm," zaoniao, , http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775 (accessed May 15, 2026).

CBE/CSE style

zaoniao contributors. Luhn algorithm [Internet]. zaoniao, ; 2019 Jun 11, 04:52 UTC [cited 2026 May 15]. Available from: http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775.

Bluebook style

Luhn algorithm, http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775 (last visited May 15, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "zaoniao",
   title = "Luhn algorithm --- zaoniao{,} ",
   year = "2019",
   url = "http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775",
   note = "[Online; accessed 15-May-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 = "zaoniao",
   title = "Luhn algorithm --- zaoniao{,} ",
   year = "2019",
   url = "\url{http://en.zaoniao.it/index.php?title=Luhn_algorithm&oldid=5775}",
   note = "[Online; accessed 15-May-2026]"
 }