Irrigation map of [California] / U.S. Dept. of Agriculture, Bureau of Public Roads, Irrigation Investigations. Irrigation map of Northern California. Irrigation map of Central California. Irrigation map of Southern California. [Relief ed.]

Chicago citation style
United States. Bureau of Public Roads. Irrigation map of [California] / U.S. Dept. of Agriculture, Bureau of Public Roads, Irrigation Investigations. Irrigation map of Northern California. Irrigation map of Central California. Irrigation map of Southern California. [Relief ed.]. 1922. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/244. (Accessed December 12, 2019.)
APA citation style
United States. Bureau of Public Roads, (1922) Irrigation map of [California] / U.S. Dept. of Agriculture, Bureau of Public Roads, Irrigation Investigations. Irrigation map of Northern California. Irrigation map of Central California. Irrigation map of Southern California. [Relief ed.]. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/244
MLA citation style
United States. Bureau of Public Roads. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/244>.
Note: These citations are programmatically generated and may be incomplete.