APA (7th ed.) Citation

Ellis, H. (1938). Psychology of sex: A manual for students ([2d ed.].). Emerson Books.

Chicago Style (17th ed.) Citation

Ellis, Havelock. Psychology of Sex: A Manual for Students. [2d ed.]. New York: Emerson Books, 1938.

MLA (9th ed.) Citation

Ellis, Havelock. Psychology of Sex: A Manual for Students. [2d ed.]. Emerson Books, 1938.