Millichap, J. R. (2009). Robert Penn Warren after Audubon: The work of aging and the quest for transcendence in his later poetry. Louisiana State University Press.
芝加哥风格引文Millichap, Joseph R. Robert Penn Warren After Audubon: The Work of Aging and the Quest for Transcendence in His Later Poetry. Baton Rouge: Louisiana State University Press, 2009.
MLA引文Millichap, Joseph R. Robert Penn Warren After Audubon: The Work of Aging and the Quest for Transcendence in His Later Poetry. Louisiana State University Press, 2009.
警告：这些引文格式不一定是100％准确.