APA (7th ed.) Citation

Vroomen, H., & Taylor, H. (1993). Fertilizer trade statistics, 1970-91. U.S. Dept. of Agriculture, Economic Research Service.

Chicago Style (17th ed.) Citation

Vroomen, Harry, and Harold Taylor. Fertilizer Trade Statistics, 1970-91. Washington, D.C. (1301 New York Ave., NW, Washington 20005-4788): U.S. Dept. of Agriculture, Economic Research Service, 1993.

MLA (9th ed.) Citation

Vroomen, Harry, and Harold Taylor. Fertilizer Trade Statistics, 1970-91. U.S. Dept. of Agriculture, Economic Research Service, 1993.