APA (7th ed.) Citation

Bentley, E. (1968). The theory of the modern stage: An introduction to modern theatre and drama. Penguin Books.

Chicago Style (17th ed.) Citation

Bentley, Eric. The Theory of the Modern Stage: An Introduction to Modern Theatre and Drama. London: Penguin Books, 1968.

MLA (8th ed.) Citation

Bentley, Eric. The Theory of the Modern Stage: An Introduction to Modern Theatre and Drama. Penguin Books, 1968.

Warning: These citations may not always be 100% accurate.