APA (7th ed.) Citation

Marx, M. H., & Cronan-Hillix, W. (1987). Systems and theories of psychology (4th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Marx, Melvin H., and W.A Cronan-Hillix. Systems and Theories of Psychology. 4th ed. New York: McGraw-Hill, 1987.

MLA (9th ed.) Citation

Marx, Melvin H., and W.A Cronan-Hillix. Systems and Theories of Psychology. 4th ed. McGraw-Hill, 1987.