Kramer, S. N. (1988). In the world of sumer: An autobiography (1. [Aufl.].). Wayne State University Press.
芝加哥风格引文Kramer, Samuel Noah. In the World of Sumer: An Autobiography. 1. [Aufl.]. Detroit: Wayne State University Press, 1988.
MLA引文Kramer, Samuel Noah. In the World of Sumer: An Autobiography. 1. [Aufl.]. Wayne State University Press, 1988.
警告：这些引文格式不一定是100％准确.