APA (7th ed.) Citation

Koos, L. V. (1931). Private and public secondary education: A comparative study. The University of Chicago press.

Chicago Style (17th ed.) Citation

Koos, Leonard V. Private and Public Secondary Education: A Comparative Study. Chicago, Ill.: The University of Chicago press, 1931.

MLA (9th ed.) Citation

Koos, Leonard V. Private and Public Secondary Education: A Comparative Study. The University of Chicago press, 1931.