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Citation styles for Letter 4013a

APA style

Letter 4013a. (2025, April 18). Tchaikovsky Research, . Retrieved 04:00, November 18, 2025 from https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762.

MLA style

"Letter 4013a." Tchaikovsky Research, . 18 Apr 2025, 21:28 UTC. 18 Nov 2025, 04:00 <https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762>.

MHRA style

Tchaikovsky Research contributors, 'Letter 4013a', Tchaikovsky Research, , 18 April 2025, 21:28 UTC, <https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762> [accessed 18 November 2025]

Chicago style

Tchaikovsky Research contributors, "Letter 4013a," Tchaikovsky Research, , https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762 (accessed November 18, 2025).

CBE/CSE style

Tchaikovsky Research contributors. Letter 4013a [Internet]. Tchaikovsky Research, ; 2025 Apr 18, 21:28 UTC [cited 2025 Nov 18]. Available from: https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762.

Bluebook style

Letter 4013a, https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762 (last visited November 18, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Tchaikovsky Research",
   title = "Letter 4013a --- Tchaikovsky Research{,} ",
   year = "2025",
   url = "https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762",
   note = "[Online; accessed 18-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 4013a --- Tchaikovsky Research{,} ",
   year = "2025",
   url = "\url{https://en.tchaikovsky-research.net/index.php?title=Letter_4013a&oldid=69762}",
   note = "[Online; accessed 18-November-2025]"
 }