APA (7th ed.) Citation

Marx, M. H., & Cronan-Hillix, W. A. (1973). Systems and theories in psychology (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Marx, Melvin Herman, and W. A. Cronan-Hillix. Systems and Theories in Psychology. 2nd ed. New York: McGraw-Hill, 1973.

MLA (9th ed.) Citation

Marx, Melvin Herman, and W. A. Cronan-Hillix. Systems and Theories in Psychology. 2nd ed. McGraw-Hill, 1973.