New landmarks of soil conservation :
U.S. Department of Agriculture, Soil conservation service, southern states.

APA Citation

United States. Soil Conservation Service. (1942). New landmarks of soil conservation: U.S. Department of Agriculture, Soil conservation service, southern states. [Washington: U.S. G.P.O..

MLA Citation

United States. Soil Conservation Service. New Landmarks of Soil Conservation: U.S. Department of Agriculture, Soil Conservation Service, Southern States. [Washington: U.S. G.P.O., 1942.

Warning: These citations may not always be complete (especially for serials).