APA (7th ed.) Citation

Bolles, R. C. (1975). Theory of motivation (2. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Bolles, Robert C. Theory of Motivation. 2. ed. New York: Harper & Row, 1975.

MLA (9th ed.) Citation

Bolles, Robert C. Theory of Motivation. 2. ed. Harper & Row, 1975.