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Citation styles for Sound barrier

APA style

Sound barrier. (2023, April 27). New World Encyclopedia, . Retrieved 16:34, April 17, 2025 from https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304.

MLA style

"Sound barrier." New World Encyclopedia, . 27 Apr 2023, 15:12 UTC. 17 Apr 2025, 16:34 <https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304>.

MHRA style

New World Encyclopedia contributors, 'Sound barrier', New World Encyclopedia, , 27 April 2023, 15:12 UTC, <https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304> [accessed 17 April 2025]

Chicago style

New World Encyclopedia contributors, "Sound barrier," New World Encyclopedia, , https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304 (accessed April 17, 2025).

CBE/CSE style

New World Encyclopedia contributors. Sound barrier [Internet]. New World Encyclopedia, ; 2023 Apr 27, 15:12 UTC [cited 2025 Apr 17]. Available from: https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304.

Bluebook style

Sound barrier, https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304 (last visited April 17, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "New World Encyclopedia",
   title = "Sound barrier --- New World Encyclopedia{,} ",
   year = "2023",
   url = "https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304",
   note = "[Online; accessed 17-April-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 = "New World Encyclopedia",
   title = "Sound barrier --- New World Encyclopedia{,} ",
   year = "2023",
   url = "\url{https://www.newworldencyclopedia.org/p/index.php?title=Sound_barrier&oldid=1110304}",
   note = "[Online; accessed 17-April-2025]"
 }