APA-Zitierstil (7. Ausg.)

Soil Survey Staff. (2006). Keys to soil taxonomy (10a. ed.). United States Department of Agriculture. Natural Resources Conservation Service.

Chicago-Zitierstil (17. Ausg.)

Soil Survey Staff. Keys to Soil Taxonomy. 10a. ed. Washington, D.C: United States Department of Agriculture. Natural Resources Conservation Service, 2006.

MLA-Zitierstil (9. Ausg.)

Soil Survey Staff. Keys to Soil Taxonomy. 10a. ed. United States Department of Agriculture. Natural Resources Conservation Service, 2006.