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Citation styles for Semi-major axis

APA style

Semi-major axis. (2018, June 25). Marspedia, . Retrieved 04:12, June 13, 2026 from https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849.

MLA style

"Semi-major axis." Marspedia, . 25 Jun 2018, 22:38 UTC. 13 Jun 2026, 04:12 <https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849>.

MHRA style

Marspedia contributors, 'Semi-major axis', Marspedia, , 25 June 2018, 22:38 UTC, <https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849> [accessed 13 June 2026]

Chicago style

Marspedia contributors, "Semi-major axis," Marspedia, , https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849 (accessed June 13, 2026).

CBE/CSE style

Marspedia contributors. Semi-major axis [Internet]. Marspedia, ; 2018 Jun 25, 22:38 UTC [cited 2026 Jun 13]. Available from: https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849.

Bluebook style

Semi-major axis, https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849 (last visited June 13, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Marspedia",
   title = "Semi-major axis --- Marspedia{,} ",
   year = "2018",
   url = "https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849",
   note = "[Online; accessed 13-June-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 = "Semi-major axis --- Marspedia{,} ",
   year = "2018",
   url = "\url{https://marspedia.org/index.php?title=Semi-major_axis&oldid=125849}",
   note = "[Online; accessed 13-June-2026]"
 }