APA (7th ed.) Zitazioa

Crawford, R. (2019). Summertime: George Gershwin's life in music (First edition.). W. W. Norton & Company.

Chicago Style (17th ed.) Zitazioa

Crawford, Richard. Summertime: George Gershwin's Life in Music. First edition. New York: W. W. Norton & Company, 2019.

MLA (9th ed.) Zitazioa

Crawford, Richard. Summertime: George Gershwin's Life in Music. First edition. W. W. Norton & Company, 2019.