APA (7th ed.) Citation

Herford, O., & Collins, S. (2007). The Smoker's Year Book. Project Gutenberg.

Chicago Style (17th ed.) Citation

Herford, Oliver, and Sewell Collins. The Smoker's Year Book. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Herford, Oliver, and Sewell Collins. The Smoker's Year Book. Project Gutenberg, 2007.

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