APA (7th ed.) Citation

(1971). The nature of reinforcement: A symposium of the Learning Research and Development Center, University of Pittsburgh. Acad. Press.

Chicago Style (17th ed.) Citation

The Nature of Reinforcement: A Symposium of the Learning Research and Development Center, University of Pittsburgh. New York [u.a.]: Acad. Press, 1971.

MLA (9th ed.) Citation

The Nature of Reinforcement: A Symposium of the Learning Research and Development Center, University of Pittsburgh. Acad. Press, 1971.