Cita APA (7a ed.)

Sobel, B. (1950). The theatre handbook and digest of plays (7th printing--Rev. ed.). Crown Publishers.

Cita Chicago Style (17a ed.)

Sobel, Bernard. The Theatre Handbook and Digest of Plays. 7th printing--Rev. ed. New York: Crown Publishers, 1950.

Cita MLA (8a ed.)

Sobel, Bernard. The Theatre Handbook and Digest of Plays. 7th printing--Rev. ed. Crown Publishers, 1950.