APA (7th ed.) Citation

Crump, I. (2009). The Boy Scout Fire Fighters. Project Gutenberg.

Chicago Style (17th ed.) Citation

Crump, Irving. The Boy Scout Fire Fighters. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Crump, Irving. The Boy Scout Fire Fighters. Project Gutenberg, 2009.

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