APA (7th ed.) Citation

Ryan, T. A. (1970). Intentional behavior: An approach to human motivation. Ronald Press.

Chicago Style (17th ed.) Citation

Ryan, Thomas A. Intentional Behavior: An Approach to Human Motivation. New York: Ronald Press, 1970.

MLA (9th ed.) Citation

Ryan, Thomas A. Intentional Behavior: An Approach to Human Motivation. Ronald Press, 1970.

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