APA引文

Gershwin, G., & Gershwin, I. (1964). Things are looking up. Alfred Publishing Co., Inc..

芝加哥风格引文

Gershwin, George, 与 Ira Gershwin. Things Are Looking Up. Louisville, United States: Alfred Publishing Co., Inc., 1964.

MLA引文

Gershwin, George, 与 Ira Gershwin. Things Are Looking Up. Alfred Publishing Co., Inc., 1964.

警告：这些引文格式不一定是100％准确.