APA (7th ed.) Citation

Hillner, K. P. (1984). History and systems of modern psychology: A conceptual approach. Gardner Press.

Chicago Style (17th ed.) Citation

Hillner, Kenneth P. History and Systems of Modern Psychology: A Conceptual Approach. New York: Gardner Press, 1984.

MLA (9th ed.) Citation

Hillner, Kenneth P. History and Systems of Modern Psychology: A Conceptual Approach. Gardner Press, 1984.