APA (7th ed.) Citation

Ritter, J. H. (2005). The boy who saved baseball. Puffin Books.

Chicago Style (17th ed.) Citation

Ritter, John H. The Boy Who Saved Baseball. New York: Puffin Books, 2005.

MLA (8th ed.) Citation

Ritter, John H. The Boy Who Saved Baseball. Puffin Books, 2005.

Warning: These citations may not always be 100% accurate.