Franklin

MLA

Keller, James. You Can Change the World!: The Christopher Approach. New York: Longmans, Green, 1948.

APA

Keller, J. (1948). You can change the world!: The Christopher approach. New York: Longmans, Green.

Chicago

Keller, James, You Can Change the World!: The Christopher Approach. New York: Longmans, Green, 1948.