Peter Gay. (1988). Freud: A life of our time. New York: W. W. Norton.
Trích dẫn kiểu ChicagoPeter Gay. Freud: A Life of Our Time. New York: W. W. Norton, 1988.
MLA引文Peter Gay. Freud: A Life of Our Time. New York: W. W. Norton, 1988.
警告：这些引文格式不一定是100％准确.