APA (7th ed.) Citation

Jackson, H. H. (2003). Mercy Philbrick's Choice. Project Gutenberg.

Chicago Style (17th ed.) Citation

Jackson, Helen Hunt. Mercy Philbrick's Choice. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Jackson, Helen Hunt. Mercy Philbrick's Choice. Project Gutenberg, 2003.

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