Weihrauch, J. L., & Tamaki, J. (1999). Provisional table on the vitamin D content of foods (Slightly rev. Mar. 1999.). U.S. Dept. of Agriculture, Human Nutrition Information Service.
Chicago Style (17th ed.) CitationWeihrauch, John L., and Junko Tamaki. Provisional Table on the Vitamin D Content of Foods. Slightly rev. Mar. 1999. [Hyattsville, Md.]: U.S. Dept. of Agriculture, Human Nutrition Information Service, 1999.
MLA (9th ed.) CitationWeihrauch, John L., and Junko Tamaki. Provisional Table on the Vitamin D Content of Foods. Slightly rev. Mar. 1999. U.S. Dept. of Agriculture, Human Nutrition Information Service, 1999.
Warning: These citations may not always be 100% accurate.