APA (7th ed.) Citation

Penrose, M. (2004). The Motor Girls. Project Gutenberg.

Chicago Style (17th ed.) Citation

Penrose, Margaret. The Motor Girls. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Penrose, Margaret. The Motor Girls. Project Gutenberg, 2004.

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