APA (7th ed.) Citation

Lepper, M. R., & Greene, D. (1978). The Hidden costs of reward: New perspectives of the psychology of human motivation. L. Erlbaum Associates.

Chicago Style (17th ed.) Citation

Lepper, Mark R., and David Greene. The Hidden Costs of Reward: New Perspectives of the Psychology of Human Motivation. Hillsdale, N.J.: L. Erlbaum Associates, 1978.

MLA (9th ed.) Citation

Lepper, Mark R., and David Greene. The Hidden Costs of Reward: New Perspectives of the Psychology of Human Motivation. L. Erlbaum Associates, 1978.