APA (7th ed.) Citation

Holley, C. E. (1927). The practical teacher: A handbook of teaching devices. The Century co..

Chicago Style (17th ed.) Citation

Holley, Charles Elmer. The Practical Teacher: A Handbook of Teaching Devices. New York: The Century co., 1927.

MLA (9th ed.) Citation

Holley, Charles Elmer. The Practical Teacher: A Handbook of Teaching Devices. The Century co., 1927.