APA (7th ed.) Citation

Sokol, M. L. (1981). The New York City Opera: An American adventure. Macmillan.

Chicago Style (17th ed.) Citation

Sokol, Martin L. The New York City Opera: An American Adventure. New York: Macmillan, 1981.

MLA (9th ed.) Citation

Sokol, Martin L. The New York City Opera: An American Adventure. Macmillan, 1981.