APA (7th ed.) Citation

Pressey, S. L., Robinson, F. P., & Horrocks, J. E. (1959). Psychology in education. Harper.

Chicago Style (17th ed.) Citation

Pressey, Sidney L., Francis P. Robinson, and John E. Horrocks. Psychology in Education. New York: Harper, 1959.

MLA (9th ed.) Citation

Pressey, Sidney L., et al. Psychology in Education. Harper, 1959.