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Bibliographic details for Letter 990

Citation styles for Letter 990

APA style

Letter 990. (2024, June 21). Tchaikovsky Research, . Retrieved 11:55, January 20, 2026 from https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172.

MLA style

"Letter 990." Tchaikovsky Research, . 21 Jun 2024, 12:43 UTC. 20 Jan 2026, 11:55 <https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172>.

MHRA style

Tchaikovsky Research contributors, 'Letter 990', Tchaikovsky Research, , 21 June 2024, 12:43 UTC, <https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172> [accessed 20 January 2026]

Chicago style

Tchaikovsky Research contributors, "Letter 990," Tchaikovsky Research, , https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172 (accessed January 20, 2026).

CBE/CSE style

Tchaikovsky Research contributors. Letter 990 [Internet]. Tchaikovsky Research, ; 2024 Jun 21, 12:43 UTC [cited 2026 Jan 20]. Available from: https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172.

Bluebook style

Letter 990, https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172 (last visited January 20, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Tchaikovsky Research",
   title = "Letter 990 --- Tchaikovsky Research{,} ",
   year = "2024",
   url = "https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172",
   note = "[Online; accessed 20-January-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 = "Tchaikovsky Research",
   title = "Letter 990 --- Tchaikovsky Research{,} ",
   year = "2024",
   url = "\url{https://en.tchaikovsky-research.net/index.php?title=Letter_990&oldid=67172}",
   note = "[Online; accessed 20-January-2026]"
 }


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