APA (7th ed.) Citation

Penrose, M. (2004). Dorothy Dale: A Girl of To-Day. Project Gutenberg.

Chicago Style (17th ed.) Citation

Penrose, Margaret. Dorothy Dale: A Girl of To-Day. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Penrose, Margaret. Dorothy Dale: A Girl of To-Day. Project Gutenberg, 2004.

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