Cita APA (7th ed.)

Selden, S. (1947). First steps in acting. Appleton Century Crofts.

Cita Chicago (17th ed.)

Selden, Samuel. First Steps in Acting. Nueva York: Appleton Century Crofts, 1947.

Cita MLA (9th ed.)

Selden, Samuel. First Steps in Acting. Appleton Century Crofts, 1947.