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Citation styles for Ritchey Crater

APA style

Ritchey Crater. (2021, August 20). Marspedia, . Retrieved 08:27, February 9, 2026 from https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237.

MLA style

"Ritchey Crater." Marspedia, . 20 Aug 2021, 21:55 UTC. 9 Feb 2026, 08:27 <https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237>.

MHRA style

Marspedia contributors, 'Ritchey Crater', Marspedia, , 20 August 2021, 21:55 UTC, <https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237> [accessed 9 February 2026]

Chicago style

Marspedia contributors, "Ritchey Crater," Marspedia, , https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237 (accessed February 9, 2026).

CBE/CSE style

Marspedia contributors. Ritchey Crater [Internet]. Marspedia, ; 2021 Aug 20, 21:55 UTC [cited 2026 Feb 9]. Available from: https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237.

Bluebook style

Ritchey Crater, https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237 (last visited February 9, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Marspedia",
   title = "Ritchey Crater --- Marspedia{,} ",
   year = "2021",
   url = "https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237",
   note = "[Online; accessed 9-February-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 = "Marspedia",
   title = "Ritchey Crater --- Marspedia{,} ",
   year = "2021",
   url = "\url{https://marspedia.org/index.php?title=Ritchey_Crater&oldid=138237}",
   note = "[Online; accessed 9-February-2026]"
 }