APA Style
Keys soil toxonomy. (1992).
Virginia:
Pocahontas.
Chicago Style
Keys soil toxonomy.
5.
Virginia:
Pocahontas,
1992.
Text.
MLA Style
Keys soil toxonomy.
5.
Virginia:
Pocahontas,
1992.
Text.
Turabian Style
Keys soil toxonomy.
Virginia:
Pocahontas,
1992.
Print.