APA (7th ed.) Citation

Carlson, M., & Shafer, Y. (1990). The play's the thing: An introduction to theatre. Longman.

Chicago Style (17th ed.) Citation

Carlson, Marvin, and Yvonne Shafer. The Play's the Thing: An Introduction to Theatre. New York: Longman, 1990.

MLA (9th ed.) Citation

Carlson, Marvin, and Yvonne Shafer. The Play's the Thing: An Introduction to Theatre. Longman, 1990.