APA (7th ed.) Citation

Horne, A., & Emshwiller, E. (2009). The Day of the Dog. Project Gutenberg.

Chicago Style (17th ed.) Citation

Horne, Anderson, and Ed Emshwiller. The Day of the Dog. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Horne, Anderson, and Ed Emshwiller. The Day of the Dog. Project Gutenberg, 2009.

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