APA (7th ed.) Citation

Gates, A. I., Jersild, A. T., McConnell, T., & Challman, R. C. (1950). Educational psychology. The Macmiliian Company.

Chicago Style (17th ed.) Citation

Gates, Arthur I., Arthur T. Jersild, T.R McConnell, and Robert C. Challman. Educational Psychology. The Macmiliian Company, 1950.

MLA (8th ed.) Citation

Gates, Arthur I., et al. Educational Psychology. The Macmiliian Company, 1950.