APA

Brett G. S., . (1963). Psychology, ancient and modern. New York: Cooper Square Publishers.

Chicago

Brett George Sidney, . 1963. Psychology, ancient and modern. New York: Cooper Square Publishers.

Harvard

Brett G. S., . (1963). Psychology, ancient and modern. New York: Cooper Square Publishers.

MLA

Brett George Sidney, . Psychology, ancient and modern. New York: Cooper Square Publishers. 1963.