APA (7th ed.) Citation

Gray, J. S. (1954). Psychology applied to human affairs (2d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Gray, John Stanley. Psychology Applied to Human Affairs. 2d ed. [Place of publication not identified]: McGraw-Hill, 1954.

MLA (9th ed.) Citation

Gray, John Stanley. Psychology Applied to Human Affairs. 2d ed. McGraw-Hill, 1954.