APA (7th ed.) Citation

Betts, G. H. (1919). How to teach religion: Principles and methods. The Abingdon press.

Chicago Style (17th ed.) Citation

Betts, George Herbert. How to Teach Religion: Principles and Methods. New York, Cincinnati: The Abingdon press, 1919.

MLA (9th ed.) Citation

Betts, George Herbert. How to Teach Religion: Principles and Methods. The Abingdon press, 1919.