Crawford, R. (2019). Summertime: George Gershwin's life in music (First edition.). W. W. Norton & Company.
芝加哥风格引文Crawford, Richard. Summertime: George Gershwin's Life in Music. First edition. New York: W. W. Norton & Company, 2019.
MLA引文Crawford, Richard. Summertime: George Gershwin's Life in Music. First edition. W. W. Norton & Company, 2019.
警告：这些引文格式不一定是100％准确.