APA引文

Freud, S. (1920). A general introduction to psychoanalysis. New York: Garden City Publishing Company, Inc.

Trích dẫn kiểu Chicago

Freud, Sigmund. A General Introduction to Psychoanalysis. New York: Garden City Publishing Company, Inc, 1920.

MLA引文

Freud, Sigmund. A General Introduction to Psychoanalysis. New York: Garden City Publishing Company, Inc, 1920.

警告：這些引文格式不一定是100％准確.