APA (7th ed.) Citation

Marx, M. H., & Cronan-Hillix, W. A. (1987). Systems and theories in psychology. McGraw-Hill.

Chicago Style (17th ed.) Citation

Marx, Melvin Herman, and William Allen Cronan-Hillix. Systems and Theories in Psychology. New York: McGraw-Hill, 1987.

MLA (9th ed.) Citation

Marx, Melvin Herman, and William Allen Cronan-Hillix. Systems and Theories in Psychology. McGraw-Hill, 1987.