Steinbeck, J. (2006). The Grapes of wrath. New York: Penguin Books.
Trích dẫn kiểu ChicagoSteinbeck, John. The Grapes of Wrath. New York: Penguin Books, 2006.
MLA引文Steinbeck, John. The Grapes of Wrath. New York: Penguin Books, 2006.
警告:这些引文格式不一定是100%准确.