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Citation styles for Winter Challenge/2019

APA style

Winter Challenge/2019. (2023, February 19). CS Codex, . Retrieved 06:33, December 5, 2025 from http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972.

MLA style

"Winter Challenge/2019." CS Codex, . 19 Feb 2023, 19:33 UTC. 5 Dec 2025, 06:33 <http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972>.

MHRA style

CS Codex contributors, 'Winter Challenge/2019', CS Codex, , 19 February 2023, 19:33 UTC, <http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972> [accessed 5 December 2025]

Chicago style

CS Codex contributors, "Winter Challenge/2019," CS Codex, , http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972 (accessed December 5, 2025).

CBE/CSE style

CS Codex contributors. Winter Challenge/2019 [Internet]. CS Codex, ; 2023 Feb 19, 19:33 UTC [cited 2025 Dec 5]. Available from: http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972.

Bluebook style

Winter Challenge/2019, http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972 (last visited December 5, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "CS Codex",
   title = "Winter Challenge/2019 --- CS Codex{,} ",
   year = "2023",
   url = "http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972",
   note = "[Online; accessed 5-December-2025]"
 }

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 = "CS Codex",
   title = "Winter Challenge/2019 --- CS Codex{,} ",
   year = "2023",
   url = "\url{http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4972}",
   note = "[Online; accessed 5-December-2025]"
 }