Sources of free or low-cost food and nutrition materials. United States Department of Agriculture, National Agricultural Library.
Chicago Style (17th ed.) CitationSources of Free or Low-cost Food and Nutrition Materials. [Beltsville, Maryland]: United States Department of Agriculture, National Agricultural Library.
MLA (9th ed.) CitationSources of Free or Low-cost Food and Nutrition Materials. United States Department of Agriculture, National Agricultural Library.
Warning: These citations may not always be 100% accurate.