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Citation styles for Winter Challenge/2019

APA style

Winter Challenge/2019. (2022, April 1). CS Codex, . Retrieved 22:32, December 18, 2025 from http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4247.

MLA style

"Winter Challenge/2019." CS Codex, . 1 Apr 2022, 00:09 UTC. 18 Dec 2025, 22:32 <http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4247>.

MHRA style

CS Codex contributors, 'Winter Challenge/2019', CS Codex, , 1 April 2022, 00:09 UTC, <http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4247> [accessed 18 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=4247 (accessed December 18, 2025).

CBE/CSE style

CS Codex contributors. Winter Challenge/2019 [Internet]. CS Codex, ; 2022 Apr 1, 00:09 UTC [cited 2025 Dec 18]. Available from: http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4247.

Bluebook style

Winter Challenge/2019, http://cscodex.com/mediawiki-1.28.1/index.php?title=Winter_Challenge/2019&oldid=4247 (last visited December 18, 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=4247",
   note = "[Online; accessed 18-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=4247}",
   note = "[Online; accessed 18-December-2025]"
 }