APA (7th ed.) Citation

Hale, M. (2004). The Hero of Hill House. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hale, Mabel. The Hero of Hill House. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Hale, Mabel. The Hero of Hill House. Project Gutenberg, 2004.

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