APA (7th ed.) Citation

Gassner, J. (1957). Twenty best European plays on the American stage. Crown Publishers.

Chicago Style (17th ed.) Citation

Gassner, John. Twenty Best European Plays on the American Stage. New York: Crown Publishers, 1957.

MLA (9th ed.) Citation

Gassner, John. Twenty Best European Plays on the American Stage. Crown Publishers, 1957.