APA (7th ed.) Citation

Gershwin, G., Heyward, D., Gershwin, I., Garcia, R., Fitzgerald, E., & Armstrong, L. (1958). Porgy and Bess. Metro-Goldwyn-Mayer.

Chicago Style (17th ed.) Citation

Gershwin, George, DuBose Heyward, Ira Gershwin, Russell Garcia, Ella Fitzgerald, and Louis Armstrong. Porgy and Bess. New York: Metro-Goldwyn-Mayer, 1958.

MLA (9th ed.) Citation

Gershwin, George, et al. Porgy and Bess. Metro-Goldwyn-Mayer, 1958.