APA引文

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

芝加哥风格引文

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

MLA引文

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