APA (7th ed.) Citation

Hughes, E. (2011). A Treatise on the Brewing of Beer. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hughes, E. A Treatise on the Brewing of Beer. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Hughes, E. A Treatise on the Brewing of Beer. Project Gutenberg, 2011.

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