APA (7th ed.) Citation

Tonne, A. (1953). Forty Hour talks. Didde Printing Co..

Chicago Style (17th ed.) Citation

Tonne, Arthur. Forty Hour Talks. Emporia, Kan.: Didde Printing Co., 1953.

MLA (8th ed.) Citation

Tonne, Arthur. Forty Hour Talks. Didde Printing Co., 1953.