Cita APA (7th ed.)

Padilla, J., Goetz, E. R., Willemetz, A., & Sinos, E. M. (1940). Who'll buy my violets: La violetera. Harms.

Cita Chicago (17th ed.)

Padilla, Jose, E. Ray Goetz, Albert Willemetz, i Eduardo Monte Sinos. Who'll Buy My Violets: La Violetera. New York: Harms, 1940.

Cita MLA (9th ed.)

Padilla, Jose, et al. Who'll Buy My Violets: La Violetera. Harms, 1940.