APA (7th ed.) Citation

Birney, R. C. (1961). Reinforcement: An enduring problem in psychology : selected readings. D. van Nostrand company, Inc.

Chicago Style (17th ed.) Citation

Birney, Robert Charles. Reinforcement: An Enduring Problem in Psychology : Selected Readings. Princeton, New Jersey: D. van Nostrand company, Inc, 1961.

MLA (9th ed.) Citation

Birney, Robert Charles. Reinforcement: An Enduring Problem in Psychology : Selected Readings. D. van Nostrand company, Inc, 1961.