APA (7th ed.) Citation

Drain, R. (1995). Twentieth-century theatre: A sourcebook. Routledge.

Chicago Style (17th ed.) Citation

Drain, Richard. Twentieth-century Theatre: A Sourcebook. London ; New York: Routledge, 1995.

MLA (9th ed.) Citation

Drain, Richard. Twentieth-century Theatre: A Sourcebook. Routledge, 1995.