Cita APA

Gershwin, G., & Gershwin, I. (1964). What causes that? Alfred Publishing Co., Inc..

Citación estilo Chicago

Gershwin, George, and Ira Gershwin. What Causes That? Louisville, United States: Alfred Publishing Co., Inc., 1964.

Cita MLA

Gershwin, George, and Ira Gershwin. What Causes That? Alfred Publishing Co., Inc., 1964.