Gunther, J. (1950). Roosevelt in retrospect: A profile in history. New York: Harper & Brothers, Publishers.
Trích dẫn kiểu ChicagoGunther, John. Roosevelt in Retrospect: A Profile in History. New York: Harper & Brothers, Publishers, 1950.
MLA引文Gunther, John. Roosevelt in Retrospect: A Profile in History. New York: Harper & Brothers, Publishers, 1950.
警告:這些引文格式不一定是100%准確.