Cita APA (7a ed.)

Wentk, R. (2010). Cocoa® (1st edition.). Wiley.

Cita Chicago Style (17a ed.)

Wentk, Richard. Cocoa®. 1st edition. Wiley, 2010.

Cita MLA (9a ed.)

Wentk, Richard. Cocoa®. 1st edition. Wiley, 2010.