APA (7th ed.) Citation

Whitehill, D. (2012). The Twins in the South. Project Gutenberg.

Chicago Style (17th ed.) Citation

Whitehill, Dorothy. The Twins in the South. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Whitehill, Dorothy. The Twins in the South. Project Gutenberg, 2012.

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