ALLEN, J. (2008). McDougal Littell literature: American literature. : McDougal Littell.
芝加哥风格引文ALLEN, Janet. McDougal Littell Literature: American Literature. : McDougal Littell, 2008.
MLA引文ALLEN, Janet. McDougal Littell Literature: American Literature. : McDougal Littell, 2008.
警告：这些引文格式不一定是100％准确.