Cohen, R. (1971). Let my People go! Popular Library.
Chicago-Zitierstil (17. Ausg.)Cohen, Richard. Let My People Go! New York: Popular Library, 1971.
MLA-Zitierstil (8. Ausg.)Cohen, Richard. Let My People Go! Popular Library, 1971.
警告：这些引文格式不一定是100％准确.