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Citation styles for Signal observations

APA style

Signal observations. (2007, avril 14). U-Sphere - Michael Vaillant, . Retrieved 21:02, janvier 16, 2026 from http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052.

MLA style

"Signal observations." U-Sphere - Michael Vaillant, . 14 avr 2007, 01:22 UTC. 16 jan 2026, 21:02 <http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052>.

MHRA style

U-Sphere - Michael Vaillant contributors, 'Signal observations', U-Sphere - Michael Vaillant, , 14 avril 2007, 01:22 UTC, <http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052> [accessed 16 janvier 2026]

Chicago style

U-Sphere - Michael Vaillant contributors, "Signal observations," U-Sphere - Michael Vaillant, , http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052 (accessed janvier 16, 2026).

CBE/CSE style

U-Sphere - Michael Vaillant contributors. Signal observations [Internet]. U-Sphere - Michael Vaillant, ; 2007 avr 14, 01:22 UTC [cited 2026 jan 16]. Available from: http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052.

Bluebook style

Signal observations, http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052 (last visited janvier 16, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "U-Sphere - Michael Vaillant",
   title = "Signal observations --- U-Sphere - Michael Vaillant{,} ",
   year = "2007",
   url = "http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052",
   note = "[Online; accessed 16-janvier-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 = "U-Sphere - Michael Vaillant",
   title = "Signal observations --- U-Sphere - Michael Vaillant{,} ",
   year = "2007",
   url = "\url{http://www.u-sphere.com/wiki//index.php?title=Signal_observations&oldid=4052}",
   note = "[Online; accessed 16-janvier-2026]"
 }