Johnson, W. E. (1994). California field crops: Location and trends in acreage, yields, and production, 1945-1991. Division of Agriculture and Natural Resources, University of California.
Chicago Style (17th ed.) CitationJohnson, Warren E. California Field Crops: Location and Trends in Acreage, Yields, and Production, 1945-1991. Berkeley, CA: Division of Agriculture and Natural Resources, University of California, 1994.
MLA (9th ed.) CitationJohnson, Warren E. California Field Crops: Location and Trends in Acreage, Yields, and Production, 1945-1991. Division of Agriculture and Natural Resources, University of California, 1994.
Warning: These citations may not always be 100% accurate.