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Citation styles for Igneous rock

APA style

Igneous rock. (2021, August 25). Marspedia, . Retrieved 13:35, January 29, 2026 from https://marspedia.org/index.php?title=Igneous_rock&oldid=138311.

MLA style

"Igneous rock." Marspedia, . 25 Aug 2021, 15:52 UTC. 29 Jan 2026, 13:35 <https://marspedia.org/index.php?title=Igneous_rock&oldid=138311>.

MHRA style

Marspedia contributors, 'Igneous rock', Marspedia, , 25 August 2021, 15:52 UTC, <https://marspedia.org/index.php?title=Igneous_rock&oldid=138311> [accessed 29 January 2026]

Chicago style

Marspedia contributors, "Igneous rock," Marspedia, , https://marspedia.org/index.php?title=Igneous_rock&oldid=138311 (accessed January 29, 2026).

CBE/CSE style

Marspedia contributors. Igneous rock [Internet]. Marspedia, ; 2021 Aug 25, 15:52 UTC [cited 2026 Jan 29]. Available from: https://marspedia.org/index.php?title=Igneous_rock&oldid=138311.

Bluebook style

Igneous rock, https://marspedia.org/index.php?title=Igneous_rock&oldid=138311 (last visited January 29, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Marspedia",
   title = "Igneous rock --- Marspedia{,} ",
   year = "2021",
   url = "https://marspedia.org/index.php?title=Igneous_rock&oldid=138311",
   note = "[Online; accessed 29-January-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 = "Igneous rock --- Marspedia{,} ",
   year = "2021",
   url = "\url{https://marspedia.org/index.php?title=Igneous_rock&oldid=138311}",
   note = "[Online; accessed 29-January-2026]"
 }