Cita APA (7th ed.)

Pecqueur, A., Laubier, G. d., & Elliott, N. (2013). The most beautiful opera houses in the world. Abrams.

Cita Chicago (17th ed.)

Pecqueur, Antoine, Guillaume de Laubier, i Nicholas Elliott. The Most Beautiful Opera Houses in the World. New York: Abrams, 2013.

Cita MLA (9th ed.)

Pecqueur, Antoine, et al. The Most Beautiful Opera Houses in the World. Abrams, 2013.