APA (7th ed.) Citation

(1992). Keys to soil taxonomy (5th ed.). Pocahontas Press.

Chicago Style (17th ed.) Citation

Keys to Soil Taxonomy. 5th ed. Blacksburg, Va: Pocahontas Press, 1992.

MLA (9th ed.) Citation

Keys to Soil Taxonomy. 5th ed. Pocahontas Press, 1992.

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