Steinbeck, J., DeMott, R. J., & Steinbeck, E. A. (1996). The grapes of wrath and other writings, 1936-1941. Literary Classics of the United States : Distributed to the trade in the U.S. by Penguin Books USA.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Steinbeck, John, Robert J. DeMott, و Elaine A. Steinbeck. The Grapes of Wrath and Other Writings, 1936-1941. New York: Literary Classics of the United States : Distributed to the trade in the U.S. by Penguin Books USA, 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Steinbeck, John, et al. The Grapes of Wrath and Other Writings, 1936-1941. Literary Classics of the United States : Distributed to the trade in the U.S. by Penguin Books USA, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.