U.S.fertilizer imports/exports. Economic Research Service, U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationU.S.fertilizer Imports/exports. [Washington, D.C.]: Economic Research Service, U.S. Dept. of Agriculture.
MLA (9th ed.) CitationU.S.fertilizer Imports/exports. Economic Research Service, U.S. Dept. of Agriculture.
Warning: These citations may not always be 100% accurate.