APA (7th ed.) Citation

Koos, L. V., & Kefauver, G. N. (1932). Guidance in secondary schools. The Macmillan Company.

Chicago Style (17th ed.) Citation

Koos, Leonard Vincent, and Grayson Neikirk Kefauver. Guidance in Secondary Schools. New York: The Macmillan Company, 1932.

MLA (9th ed.) Citation

Koos, Leonard Vincent, and Grayson Neikirk Kefauver. Guidance in Secondary Schools. The Macmillan Company, 1932.