APA (7th ed.) Citation

Gray, W. (1969). General systems theory and psychiatry: By 28 authors (1. ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Gray, William. General Systems Theory and Psychiatry: By 28 Authors. 1. ed. Boston: Little, Brown, 1969.

MLA (9th ed.) Citation

Gray, William. General Systems Theory and Psychiatry: By 28 Authors. 1. ed. Little, Brown, 1969.