MLA

Prince, Morton. The Unconscious : The Fundamentals of Human Personality Normal and Abnormal. Second edition revised New York: Macmillan, 1929.

APA

Prince, M. (1929). The unconscious : The fundamentals of human personality normal and abnormal. Second edition revised New York: Macmillan.

Chicago

Prince, Morton, The Unconscious: The Fundamentals of Human Personality Normal and Abnormal. Second edition revised New York: Macmillan, 1929.