APA (7th ed.) Citation

Decroux, E., Leabhart, T., & Chamberlain, F. (2008). The Decroux sourcebook. Routledge.

Chicago Style (17th ed.) Citation

Decroux, Etienne, Thomas Leabhart, and Franc Chamberlain. The Decroux Sourcebook. London ; New York: Routledge, 2008.

MLA (9th ed.) Citation

Decroux, Etienne, et al. The Decroux Sourcebook. Routledge, 2008.