APA (7th ed.) Citation

Elms, A. C. (1969). Role playing, reward, and attitude change; an enduring problem in psychology. Van Nostrand Reinhold Co..

Chicago Style (17th ed.) Citation

Elms, Alan C. Role Playing, Reward, and Attitude Change; an Enduring Problem in Psychology. New York: Van Nostrand Reinhold Co., 1969.

MLA (9th ed.) Citation

Elms, Alan C. Role Playing, Reward, and Attitude Change; an Enduring Problem in Psychology. Van Nostrand Reinhold Co., 1969.