APA

(2006). Land resource regions and major land use areas of the United States, the Caribbean and the Pacific Basin. [Washington,D.C.]: u.S. Dept. of Agriculture, National Resources Conservtion Service.

Chicago

2006. Land resource regions and major land use areas of the United States, the Caribbean and the Pacific Basin. [Washington,D.C.]: u.S. Dept. of Agriculture, National Resources Conservtion Service.

Harvard

(2006). Land resource regions and major land use areas of the United States, the Caribbean and the Pacific Basin. [Washington,D.C.]: u.S. Dept. of Agriculture, National Resources Conservtion Service.

MLA

Land resource regions and major land use areas of the United States, the Caribbean and the Pacific Basin. [Washington,D.C.]: u.S. Dept. of Agriculture, National Resources Conservtion Service. 2006.