APA (7th ed.) Citation

Crockett, S. R. (2004). The Red Axe. Project Gutenberg.

Chicago Style (17th ed.) Citation

Crockett, S. R. The Red Axe. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Crockett, S. R. The Red Axe. Project Gutenberg, 2004.

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