Cita APA (7a ed.)

Wayne, J., & Knapp, E. (1933). His private secretary. Screencraft Productions.

Cita Chicago Style (17a ed.)

Wayne, John, y Evalyn Knapp. His Private Secretary. [Los Angeles, CA]: Screencraft Productions, 1933.

Cita MLA (8a ed.)

Wayne, John, y Evalyn Knapp. His Private Secretary. Screencraft Productions, 1933.