APA (7th ed.) Citation

Engelhardt, F., & Overn, A. V. (1937). Secondary education: Principles and practices. Appleton-Century.

Chicago Style (17th ed.) Citation

Engelhardt, Fred, and Alfred Victor Overn. Secondary Education: Principles and Practices. New York, London: Appleton-Century, 1937.

MLA (9th ed.) Citation

Engelhardt, Fred, and Alfred Victor Overn. Secondary Education: Principles and Practices. Appleton-Century, 1937.