Style de citation APA (7e éd.)

Beethoven, L. v., Treitschke, G. F., & Bouilly, J. N. (1839). Fidelio, or, Constancy rewarded: An opera in three acts. H. Kimber.

Style de citation Chicago (17e éd.)

Beethoven, Ludwig van, Georg Friedrich Treitschke, et Jean Nicolas Bouilly. Fidelio, or, Constancy Rewarded: An Opera in Three Acts. New York: H. Kimber, 1839.

Style de citation MLA (8e éd.)

Beethoven, Ludwig van, et al. Fidelio, or, Constancy Rewarded: An Opera in Three Acts. H. Kimber, 1839.