APA (7th ed.) Citation

de Graaff, J. (1986). The economics of coffee. Pudoc.

Chicago Style (17th ed.) Citation

de Graaff, J. The Economics of Coffee. Wageningen: Pudoc, 1986.

MLA (9th ed.) Citation

de Graaff, J. The Economics of Coffee. Pudoc, 1986.

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