APA (7th ed.) Citation

Howes, V. M. (1974). Informal teaching in the open classroom. Macmillan.

Chicago Style (17th ed.) Citation

Howes, Virgil M. Informal Teaching in the Open Classroom. New York: Macmillan, 1974.

MLA (9th ed.) Citation

Howes, Virgil M. Informal Teaching in the Open Classroom. Macmillan, 1974.