Staff, S. S. Keys to soil taxonomy. SMSS Tehnical Monograph.
Chicago Style (17th ed.) CitationStaff, Soil Survey. Keys to Soil Taxonomy. SMSS Tehnical Monograph.
MLA (8th ed.) CitationStaff, Soil Survey. Keys to Soil Taxonomy. SMSS Tehnical Monograph.
Warning: These citations may not always be 100% accurate.