APA (7th ed.) Citation

Waterloo, S. (2003). The Wolf's Long Howl. Project Gutenberg.

Chicago Style (17th ed.) Citation

Waterloo, Stanley. The Wolf's Long Howl. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Waterloo, Stanley. The Wolf's Long Howl. Project Gutenberg, 2003.

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