Cita APA (7a ed.)

Gershwin, G., & Gershwin, I. (1930). They All Laughed. Alfred Publishing Co., Inc..

Cita Chicago Style (17a ed.)

Gershwin, George, y Ira Gershwin. They All Laughed. Louisville, United States: Alfred Publishing Co., Inc., 1930.

Cita MLA (9a ed.)

Gershwin, George, y Ira Gershwin. They All Laughed. Alfred Publishing Co., Inc., 1930.