APA (7th ed.) Citation

Berkowitz, G. M. (1992). American drama of the twentieth century. Longman.

Chicago Style (17th ed.) Citation

Berkowitz, Gerald M. American Drama of the Twentieth Century. London, New York: Longman, 1992.

MLA (9th ed.) Citation

Berkowitz, Gerald M. American Drama of the Twentieth Century. Longman, 1992.