Soil survey manual /
by Soil Survey Staff, Bureau of Plant Industry, Soils, and Agricultural Engineering.

APA Citation

United States. Soil Conservation Service. (1962). Soil survey manual. Washington: Agricultural Research Administration, United States Dept. of Agriculture : for sale by Supt. of Docs., Govt. Print. Off..

MLA Citation

United States. Soil Conservation Service. Soil Survey Manual. Washington: Agricultural Research Administration, United States Dept. of Agriculture : for sale by Supt. of Docs., Govt. Print. Off., 1962.

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