APA (7th ed.) Citation

Zerbe, J. S. (2013). Motors. Project Gutenberg.

Chicago Style (17th ed.) Citation

Zerbe, James Slough. Motors. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Zerbe, James Slough. Motors. Project Gutenberg, 2013.

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