APA

Betts G. H., . (1919). How to teach religion: principles and methods. New York, Cincinnati: The Abingdon press.

Chicago

Betts George Herbert, . 1919. How to teach religion: principles and methods. New York, Cincinnati: The Abingdon press.

Harvard

Betts G. H., . (1919). How to teach religion: principles and methods. New York, Cincinnati: The Abingdon press.

MLA

Betts George Herbert, . How to teach religion: principles and methods. New York, Cincinnati: The Abingdon press. 1919.