APA (7th ed.) Citation

United States Rubber Company & Martin, J. (2008). The Romance of Rubber. Project Gutenberg.

Chicago Style (17th ed.) Citation

United States Rubber Company and John Martin. The Romance of Rubber. Project Gutenberg, 2008.

MLA (9th ed.) Citation

United States Rubber Company and John Martin. The Romance of Rubber. Project Gutenberg, 2008.

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