APA (7th ed.) Citation

Peters, R. S. (1969). The concept of motivation ([2nd ed.].). Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Peters, Richard Stanley. The Concept of Motivation. [2nd ed.]. London: Routledge & Kegan Paul, 1969.

MLA (9th ed.) Citation

Peters, Richard Stanley. The Concept of Motivation. [2nd ed.]. Routledge & Kegan Paul, 1969.