APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Marx, Melvin Herman, and W. A. Hillix. Systems and Theories in Psychology / by M.H. Marx and W.A. Hillix. McGraw-Hill, 1963.

MLA (9th ed.) Citation

Marx, Melvin Herman, and W. A. Hillix. Systems and Theories in Psychology / by M.H. Marx and W.A. Hillix. McGraw-Hill, 1963.

Warning: These citations may not always be 100% accurate.