APA (7th ed.) Citation

Bently, E. R. (1982). The Theory of the modern stage: An introduction to modern theatre and drama. Penguin Books.

Chicago Style (17th ed.) Citation

Bently, Eric Russel. The Theory of the Modern Stage: An Introduction to Modern Theatre and Drama. Middlesex, Eng: Penguin Books, 1982.

MLA (9th ed.) Citation

Bently, Eric Russel. The Theory of the Modern Stage: An Introduction to Modern Theatre and Drama. Penguin Books, 1982.