APA (7th ed.) Citation

Kobbe, G., Wright, K., Bonavia, F., & Peyser, E. R. (1935). The complete opera book: The stories of the operas. G. P. Putnam's sons.

Chicago Style (17th ed.) Citation

Kobbe, Gustav, Katharine Wright, Ferruccio Bonavia, and Ethel R. Peyser. The Complete Opera Book: The Stories of the Operas. New York: G. P. Putnam's sons, 1935.

MLA (8th ed.) Citation

Kobbe, Gustav, et al. The Complete Opera Book: The Stories of the Operas. G. P. Putnam's sons, 1935.