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Citation styles for Winter Challenge/2019

APA style

Winter Challenge/2019. (2022, August 8). CS Codex, . Retrieved 22:16, December 15, 2025 from http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571.

MLA style

"Winter Challenge/2019." CS Codex, . 8 Aug 2022, 22:29 UTC. 15 Dec 2025, 22:16 <http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571>.

MHRA style

CS Codex contributors, 'Winter Challenge/2019', CS Codex, , 8 August 2022, 22:29 UTC, <http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571> [accessed 15 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=4571 (accessed December 15, 2025).

CBE/CSE style

CS Codex contributors. Winter Challenge/2019 [Internet]. CS Codex, ; 2022 Aug 8, 22:29 UTC [cited 2025 Dec 15]. Available from: http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571.

Bluebook style

Winter Challenge/2019, http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571 (last visited December 15, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "CS Codex",
   title = "Winter Challenge/2019 --- CS Codex{,} ",
   year = "2022",
   url = "http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571",
   note = "[Online; accessed 15-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 = "2022",
   url = "\url{http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4571}",
   note = "[Online; accessed 15-December-2025]"
 }