Hoppe, R. A., & MacDonald, J. M. (2013). Updating the ERS farm typology. United States Department of Agriculture, Economic Research Service.
Chicago Style (17th ed.) CitationHoppe, Robert A., and James M. MacDonald. Updating the ERS Farm Typology. [Washington, D.C.]: United States Department of Agriculture, Economic Research Service, 2013.
MLA (9th ed.) CitationHoppe, Robert A., and James M. MacDonald. Updating the ERS Farm Typology. United States Department of Agriculture, Economic Research Service, 2013.
Warning: These citations may not always be 100% accurate.