Cite
MLA (8th Edition)
Corn Yield Per Acre, by Counties of the United States, 1964. For sale by the Superintendent of Document, U.S. Government Printing Office, Bureau of the Census, 1970.
APA (7th Edition)
Corn yield per acre, by counties of the United States, 1964. (1970). For sale by the Superintendent of Document, U.S. Government Printing Office, Bureau of the Census.
Chicago (17th Edition)
“Corn Yield per Acre, by Counties of the United States, 1964.” Washington, D.C.: For sale by the Superintendent of Document, U.S. Government Printing Office, Bureau of the Census, 1970.