APA (7 वां संस्करण) प्रशस्ति पत्र

Marx, M. H., & Hillix, W. A. (1963). Systems and theories in psychology. McGraw-Hill Book Company.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Marx, Melvin Herman, और William A. Hillix. Systems and Theories in Psychology. New York: McGraw-Hill Book Company, 1963.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Marx, Melvin Herman, और William A. Hillix. Systems and Theories in Psychology. McGraw-Hill Book Company, 1963.