APA (7th ed.) Citation

Headington, C., Westbrook, R., & Barfoot, T. (1987). Opera, a history (1st U.S. ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Headington, Christopher, Roy Westbrook, and Terry Barfoot. Opera, a History. 1st U.S. ed. New York: St. Martin's Press, 1987.

MLA (9th ed.) Citation

Headington, Christopher, et al. Opera, a History. 1st U.S. ed. St. Martin's Press, 1987.