APA (7th ed.) Citation

Green, A. K. (2004). The Mill Mystery. Project Gutenberg.

Chicago Style (17th ed.) Citation

Green, Anna Katharine. The Mill Mystery. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Green, Anna Katharine. The Mill Mystery. Project Gutenberg, 2004.

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