APA (7th ed.) Citation

Knapp, P. H. (1963). Expression of the emotions in man. International Universities Press.

Chicago Style (17th ed.) Citation

Knapp, Peter H. Expression of the Emotions in Man. New York: International Universities Press, 1963.

MLA (9th ed.) Citation

Knapp, Peter H. Expression of the Emotions in Man. International Universities Press, 1963.