APA (7th ed.) Citation

O'Donnell, J. M. (1985). The origins of behaviorism: American psychology, 1870-1920. University Press.

Chicago Style (17th ed.) Citation

O'Donnell, John M. The Origins of Behaviorism: American Psychology, 1870-1920. New York [etc.]: University Press, 1985.

MLA (9th ed.) Citation

O'Donnell, John M. The Origins of Behaviorism: American Psychology, 1870-1920. University Press, 1985.

Warning: These citations may not always be 100% accurate.