Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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