Cita APA

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

Citación estilo Chicago

Marx, Melvin Herman, and William Alex Hillix. Systems and Theories in Psychology. New York: McGraw-Hill, 1963.

Cita MLA

Marx, Melvin Herman, and William Alex Hillix. Systems and Theories in Psychology. McGraw-Hill, 1963.