APA (7th ed.) Citation

Douglas, O. B., & Holland, B. F. (1938). Fundamentals of educational psychology. Macmillan.

Chicago Style (17th ed.) Citation

Douglas, Oscar Berry, and Benjamin Frank Holland. Fundamentals of Educational Psychology. New York: Macmillan, 1938.

MLA (8th ed.) Citation

Douglas, Oscar Berry, and Benjamin Frank Holland. Fundamentals of Educational Psychology. Macmillan, 1938.