APA (7th ed.) Citation

Cullum, R., & Bull, C. L. (2009). The Hound From The North. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cullum, Ridgwell, and Charles Livingston Bull. The Hound From The North. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Cullum, Ridgwell, and Charles Livingston Bull. The Hound From The North. Project Gutenberg, 2009.

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