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Citation styles for Hydrogen

APA style

Hydrogen. (2018, December 17). Marspedia, . Retrieved 08:29, February 3, 2026 from https://marspedia.org/index.php?title=Hydrogen&oldid=127111.

MLA style

"Hydrogen." Marspedia, . 17 Dec 2018, 20:55 UTC. 3 Feb 2026, 08:29 <https://marspedia.org/index.php?title=Hydrogen&oldid=127111>.

MHRA style

Marspedia contributors, 'Hydrogen', Marspedia, , 17 December 2018, 20:55 UTC, <https://marspedia.org/index.php?title=Hydrogen&oldid=127111> [accessed 3 February 2026]

Chicago style

Marspedia contributors, "Hydrogen," Marspedia, , https://marspedia.org/index.php?title=Hydrogen&oldid=127111 (accessed February 3, 2026).

CBE/CSE style

Marspedia contributors. Hydrogen [Internet]. Marspedia, ; 2018 Dec 17, 20:55 UTC [cited 2026 Feb 3]. Available from: https://marspedia.org/index.php?title=Hydrogen&oldid=127111.

Bluebook style

Hydrogen, https://marspedia.org/index.php?title=Hydrogen&oldid=127111 (last visited February 3, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Marspedia",
   title = "Hydrogen --- Marspedia{,} ",
   year = "2018",
   url = "https://marspedia.org/index.php?title=Hydrogen&oldid=127111",
   note = "[Online; accessed 3-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 = "Hydrogen --- Marspedia{,} ",
   year = "2018",
   url = "\url{https://marspedia.org/index.php?title=Hydrogen&oldid=127111}",
   note = "[Online; accessed 3-February-2026]"
 }