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Citation styles for Proof theory

APA style

Proof theory. (2009, March 15). Glottopedia, . Retrieved 02:44, March 2, 2026 from http://glottopedia.org/index.php?title=Proof_theory&oldid=9159.

MLA style

"Proof theory." Glottopedia, . 15 Mar 2009, 16:19 UTC. 2 Mar 2026, 02:44 <http://glottopedia.org/index.php?title=Proof_theory&oldid=9159>.

MHRA style

Glottopedia contributors, 'Proof theory', Glottopedia, , 15 March 2009, 16:19 UTC, <http://glottopedia.org/index.php?title=Proof_theory&oldid=9159> [accessed 2 March 2026]

Chicago style

Glottopedia contributors, "Proof theory," Glottopedia, , http://glottopedia.org/index.php?title=Proof_theory&oldid=9159 (accessed March 2, 2026).

CBE/CSE style

Glottopedia contributors. Proof theory [Internet]. Glottopedia, ; 2009 Mar 15, 16:19 UTC [cited 2026 Mar 2]. Available from: http://glottopedia.org/index.php?title=Proof_theory&oldid=9159.

Bluebook style

Proof theory, http://glottopedia.org/index.php?title=Proof_theory&oldid=9159 (last visited March 2, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Glottopedia",
   title = "Proof theory --- Glottopedia{,} ",
   year = "2009",
   url = "http://glottopedia.org/index.php?title=Proof_theory&oldid=9159",
   note = "[Online; accessed 2-March-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 = "Glottopedia",
   title = "Proof theory --- Glottopedia{,} ",
   year = "2009",
   url = "\url{http://glottopedia.org/index.php?title=Proof_theory&oldid=9159}",
   note = "[Online; accessed 2-March-2026]"
 }