APA (7th ed.) Citation

Head, B. (2005). The Food of the Gods A Popular Account of Cocoa. Project Gutenberg.

Chicago Style (17th ed.) Citation

Head, Brandon. The Food of the Gods A Popular Account of Cocoa. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Head, Brandon. The Food of the Gods A Popular Account of Cocoa. Project Gutenberg, 2005.

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