APA (7th ed.) Citation

Billings, E. R. (2008). Tobacco; Its History, Varieties, Culture, Manufacture and Commerce. Project Gutenberg.

Chicago Style (17th ed.) Citation

Billings, E. R. Tobacco; Its History, Varieties, Culture, Manufacture and Commerce. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Billings, E. R. Tobacco; Its History, Varieties, Culture, Manufacture and Commerce. Project Gutenberg, 2008.

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