APA (7th ed.) Citation

Mordden, E. (1978). Opera in the twentieth century: Sacred, profane, godot. Oxford University Press.

Chicago Style (17th ed.) Citation

Mordden, Ethan. Opera in the Twentieth Century: Sacred, Profane, Godot. New York: Oxford University Press, 1978.

MLA (9th ed.) Citation

Mordden, Ethan. Opera in the Twentieth Century: Sacred, Profane, Godot. Oxford University Press, 1978.