APA (7th ed.) Citation

(2006). Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin ([3rd edition].). Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin. [3rd edition]. [Washington, D.C.]: Natural Resources Conservation Service, 2006.

MLA (9th ed.) Citation

Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin. [3rd edition]. Natural Resources Conservation Service, 2006.