APA (7th ed.) Citation

Helson, H. (1964). Adaptation-level theory: An experimental and systematic approach to behavior. Harper & Row.

Chicago Style (17th ed.) Citation

Helson, Harry. Adaptation-level Theory: An Experimental and Systematic Approach to Behavior. New York: Harper & Row, 1964.

MLA (9th ed.) Citation

Helson, Harry. Adaptation-level Theory: An Experimental and Systematic Approach to Behavior. Harper & Row, 1964.

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