United States. Bureau of the Census & Austin, W. L. (2003). Fifteenth census of the United States : 1930: Irrigation of agricultural lands ; general reports and analytical tables, reports by states for counties, and a summary for the United States. Norman Ross Publishing Inc..
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census and William Lane Austin. Fifteenth Census of the United States : 1930: Irrigation of Agricultural Lands ; General Reports and Analytical Tables, Reports by States for Counties, and a Summary for the United States. New York: Norman Ross Publishing Inc., 2003.
MLA (8th ed.) CitationUnited States. Bureau of the Census and William Lane Austin. Fifteenth Census of the United States : 1930: Irrigation of Agricultural Lands ; General Reports and Analytical Tables, Reports by States for Counties, and a Summary for the United States. Norman Ross Publishing Inc., 2003.