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Bibliographic details for Letter 21

Citation styles for Letter 21

APA style

Letter 21. (2024, February 24). Tchaikovsky Research, . Retrieved 03:14, November 16, 2025 from https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604.

MLA style

"Letter 21." Tchaikovsky Research, . 24 Feb 2024, 21:50 UTC. 16 Nov 2025, 03:14 <https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604>.

MHRA style

Tchaikovsky Research contributors, 'Letter 21', Tchaikovsky Research, , 24 February 2024, 21:50 UTC, <https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604> [accessed 16 November 2025]

Chicago style

Tchaikovsky Research contributors, "Letter 21," Tchaikovsky Research, , https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604 (accessed November 16, 2025).

CBE/CSE style

Tchaikovsky Research contributors. Letter 21 [Internet]. Tchaikovsky Research, ; 2024 Feb 24, 21:50 UTC [cited 2025 Nov 16]. Available from: https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604.

Bluebook style

Letter 21, https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604 (last visited November 16, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Tchaikovsky Research",
   title = "Letter 21 --- Tchaikovsky Research{,} ",
   year = "2024",
   url = "https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604",
   note = "[Online; accessed 16-November-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 21 --- Tchaikovsky Research{,} ",
   year = "2024",
   url = "\url{https://en.tchaikovsky-research.net/index.php?title=Letter_21&oldid=65604}",
   note = "[Online; accessed 16-November-2025]"
 }


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