APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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