Gershwin, I., Wimmer, M., Gershwin, G., Heyward, D., & Heyward, D. (1999). Summertime: From Porgy and Bess. Simon & Schuster.
Style de citation Chicago (17e éd.)Gershwin, Ira, Mike Wimmer, George Gershwin, DuBose Heyward, et Dorothy Heyward. Summertime: From Porgy and Bess. New York: Simon & Schuster, 1999.
Style de citation MLA (8e éd.)Gershwin, Ira, et al. Summertime: From Porgy and Bess. Simon & Schuster, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.