APA (7th ed.) Citation

Staff, S. S. Keys to soil taxonomy. SMSS Tehnical Monograph.

Chicago Style (17th ed.) Citation

Staff, Soil Survey. Keys to Soil Taxonomy. SMSS Tehnical Monograph.

MLA (8th ed.) Citation

Staff, Soil Survey. Keys to Soil Taxonomy. SMSS Tehnical Monograph.

Warning: These citations may not always be 100% accurate.