APA (7th ed.) Citation

Stephens, A. S. (2009). Mabel's Mistake. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stephens, Ann S. Mabel's Mistake. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Stephens, Ann S. Mabel's Mistake. Project Gutenberg, 2009.

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