APA (7th ed.) Citation

Koos, L. V. (1924). The high-school principal: His training, experience, and responsibilities. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Koos, Leonard V. The High-school Principal: His Training, Experience, and Responsibilities. Boston, New York [etc.]: Houghton Mifflin company, 1924.

MLA (9th ed.) Citation

Koos, Leonard V. The High-school Principal: His Training, Experience, and Responsibilities. Houghton Mifflin company, 1924.