APA-viite (7. p.)

Marx, M. H., & Hillix, W. A. (1979). Systems and theories in psychology (3rd ed.). Mc-Graw-Hill.

Chicago-viite (17. p.)

Marx, Melvin H., ja William A. Hillix. Systems and Theories in Psychology. 3rd ed. New York: Mc-Graw-Hill, 1979.

MLA-viite (9. p.)

Marx, Melvin H., ja William A. Hillix. Systems and Theories in Psychology. 3rd ed. Mc-Graw-Hill, 1979.