Cita APA (7a ed.)

Gray, W., Fidler, J. W., & Battista, J. R. (1982). General systems theory and the psychological sciences: : an edited compendium on the state of the art organized around the teme of the human knowledge process. Intersystems.

Cita Chicago Style (17a ed.)

Gray, William, Jay W. Fidler, y John R. Battista. General Systems Theory and the Psychological Sciences: : An Edited Compendium on the State of the Art Organized Around the Teme of the Human Knowledge Process. Seaside, California: Intersystems, 1982.

Cita MLA (9a ed.)

Gray, William, et al. General Systems Theory and the Psychological Sciences: : An Edited Compendium on the State of the Art Organized Around the Teme of the Human Knowledge Process. Intersystems, 1982.