APA (7th ed.) Citation

Kummer, F. A. (2010). The Green God. Project Gutenberg.

Chicago Style (17th ed.) Citation

Kummer, Frederic Arnold. The Green God. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Kummer, Frederic Arnold. The Green God. Project Gutenberg, 2010.

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