APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

University of Pittsburgh. Learning Research and Development Center and Robert Glaser. The Nature of Reinforcement: A Symposium of the Learning Research and Development Center, University of Pittsburgh. New York: Academic Press, 1971.

MLA (9th ed.) Citation

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