Cita APA (7a ed.)

Gershwin, G., & Gershwin, I. (1964). The real American folk song (is a rag). Alfred Publishing Co., Inc..

Cita Chicago Style (17a ed.)

Gershwin, George, y Ira Gershwin. The Real American Folk Song (is a Rag). Louisville, United States: Alfred Publishing Co., Inc., 1964.

Cita MLA (9a ed.)

Gershwin, George, y Ira Gershwin. The Real American Folk Song (is a Rag). Alfred Publishing Co., Inc., 1964.