APA (7th ed.) Citation

Knapp, A. W. (1923). The cocoa and chocolate industry: The tree, the bean, the beverage. Sir Isaac Pitman & Sons.

Chicago Style (17th ed.) Citation

Knapp, Arthur William. The Cocoa and Chocolate Industry: The Tree, the Bean, the Beverage. London [etc.]: Sir Isaac Pitman & Sons, 1923.

MLA (9th ed.) Citation

Knapp, Arthur William. The Cocoa and Chocolate Industry: The Tree, the Bean, the Beverage. Sir Isaac Pitman & Sons, 1923.

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