APA (7th ed.) Citation

Peters, R. S. (1965). The concept of motivation (2d ed.). Routledge & K. Paul; Humanities Press.

Chicago Style (17th ed.) Citation

Peters, R. S. The Concept of Motivation. 2d ed. London : New York: Routledge & K. Paul; Humanities Press, 1965.

MLA (9th ed.) Citation

Peters, R. S. The Concept of Motivation. 2d ed. Routledge & K. Paul; Humanities Press, 1965.