Fein, R. J. (1979). Robert Lowell (2d ed.). Twayne Publishers.
芝加哥风格引文Fein, Richard J. Robert Lowell. 2d ed. Boston: Twayne Publishers, 1979.
MLA引文Fein, Richard J. Robert Lowell. 2d ed. Twayne Publishers, 1979.
警告：这些引文格式不一定是100％准确.
APA引文