APA (7th ed.) Citation

Evarts, H. G., & Bull, C. L. (2008). The Yellow Horde. Project Gutenberg.

Chicago Style (17th ed.) Citation

Evarts, Hal G., and Charles Livingston Bull. The Yellow Horde. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Evarts, Hal G., and Charles Livingston Bull. The Yellow Horde. Project Gutenberg, 2008.

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