Cita APA (7a ed.)

Keaton, B., Durante, J., Spence, R., & Kelland, C. B. (1932). Speak easily. Metro Goldwyn Mayer.

Cita Chicago Style (17a ed.)

Keaton, Buster, Jimmy Durante, Ralph Spence, y Clarence Budington Kelland. Speak Easily. [Beverly Hills, CA]: Metro Goldwyn Mayer, 1932.

Cita MLA (8a ed.)

Keaton, Buster, et al. Speak Easily. Metro Goldwyn Mayer, 1932.