APA (7th ed.) Citation

Karen, R. L. (1974). An introduction to behavior theory and its applications. Harper & Row.

Chicago Style (17th ed.) Citation

Karen, Robert L. An Introduction to Behavior Theory and Its Applications. New York: Harper & Row, 1974.

MLA (9th ed.) Citation

Karen, Robert L. An Introduction to Behavior Theory and Its Applications. Harper & Row, 1974.