APA Edition Citation

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

Chicago Edition Citation

Marx, Nelvin H., and William A. Hillix. Systems and Theories in Psychology. 2nd. ed. New York: McGraw-Hill, 1973.

MLA Edition Citation

Marx, Nelvin H., and William A. Hillix. Systems and Theories in Psychology. 2nd. ed. McGraw-Hill, 1973.