APA (7th ed.) Citation

Gassner, J. (1966). Directions in modern theatre and drama: An expanded edition of Form and idea in modern theatre. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Gassner, John. Directions in Modern Theatre and Drama: An Expanded Edition of Form and Idea in Modern Theatre. New York [etc.]: Holt, Rinehart and Winston, 1966.

MLA (9th ed.) Citation

Gassner, John. Directions in Modern Theatre and Drama: An Expanded Edition of Form and Idea in Modern Theatre. Holt, Rinehart and Winston, 1966.