APA (7th ed.) Citation

Hartley, E. L., Birch, H. G., & Hartley, R. E. (1951). Outside Readings in Psychology. Thomas Y. Crowell Company.

Chicago Style (17th ed.) Citation

Hartley, Eugene L., Herbert G. Birch, and Ruth E. Hartley. Outside Readings in Psychology. Thomas Y. Crowell Company, 1951.

MLA (8th ed.) Citation

Hartley, Eugene L., et al. Outside Readings in Psychology. Thomas Y. Crowell Company, 1951.