Soil taxonomy :
a basic system of soil classification for making and interpreting soil surveys /
Soil Survey Staff.
APA Citation
United States. Soil Conservation Service. (1975). Soil taxonomy: a basic system of soil classification for making and interpreting soil surveys. [Washington]: U.S. Dept. of Agriculture, Soil Conservation Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
MLA Citation
United States. Soil Conservation Service. Soil Taxonomy: a Basic System of Soil Classification for Making And Interpreting Soil Surveys. [Washington]: U.S. Dept. of Agriculture, Soil Conservation Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1975.
Warning: These citations may not always be complete (especially for serials).