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Citation styles for Letter 2421

APA style

Letter 2421. (2025, January 7). Tchaikovsky Research, . Retrieved 01:03, December 17, 2025 from https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302.

MLA style

"Letter 2421." Tchaikovsky Research, . 7 Jan 2025, 13:36 UTC. 17 Dec 2025, 01:03 <https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302>.

MHRA style

Tchaikovsky Research contributors, 'Letter 2421', Tchaikovsky Research, , 7 January 2025, 13:36 UTC, <https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302> [accessed 17 December 2025]

Chicago style

Tchaikovsky Research contributors, "Letter 2421," Tchaikovsky Research, , https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302 (accessed December 17, 2025).

CBE/CSE style

Tchaikovsky Research contributors. Letter 2421 [Internet]. Tchaikovsky Research, ; 2025 Jan 7, 13:36 UTC [cited 2025 Dec 17]. Available from: https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302.

Bluebook style

Letter 2421, https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302 (last visited December 17, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Tchaikovsky Research",
   title = "Letter 2421 --- Tchaikovsky Research{,} ",
   year = "2025",
   url = "https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302",
   note = "[Online; accessed 17-December-2025]"
 }

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 = "Tchaikovsky Research",
   title = "Letter 2421 --- Tchaikovsky Research{,} ",
   year = "2025",
   url = "\url{https://en.tchaikovsky-research.net/index.php?title=Letter_2421&oldid=69302}",
   note = "[Online; accessed 17-December-2025]"
 }