Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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