APA (7th ed.) Citation

Castlemon, H. (2006). The Boy Trapper. Project Gutenberg.

Chicago Style (17th ed.) Citation

Castlemon, Harry. The Boy Trapper. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Castlemon, Harry. The Boy Trapper. Project Gutenberg, 2006.

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