APA (7th ed.) Citation

Clement, J. A. (1925). Principles and practices of secondary education. The Century co..

Chicago Style (17th ed.) Citation

Clement, John Addison. Principles and Practices of Secondary Education. New York: The Century co., 1925.

MLA (9th ed.) Citation

Clement, John Addison. Principles and Practices of Secondary Education. The Century co., 1925.