Prenzel-Guthrie, P. M. (2000). Guthrie, Edwin Ray. In A. E. Kazdin (Ed.), Encyclopedia of psychology (Vol. 4, pp. 43-44). Washington, DC: American Psychological Association.
http://dx.doi.org/10.1037/10519-018
Presents biographical information about Edwin Ray Guthrie (1886-1959), an American behaviorist and teacher best known for his teaching and writing on the psychology of learning and applying his learning principles to the understanding of everyday behaviors, including the behavior of people in conflict. (PsycINFO Database Record (c) 2016 APA, all rights reserved)