APA Style
Harpstead, Milo I.. (1980).
Soil science simplified .
Ames, Iowa:
Iowa State University Press.
Chicago Style
Harpstead, Milo I..
Soil science simplified.
Ames, Iowa:
Iowa State University Press,
1980.
Text.
MLA Style
Harpstead, Milo I..
Soil science simplified.
Ames, Iowa:
Iowa State University Press,
1980.
Text.
Turabian Style
Harpstead, Milo I..
Soil science simplified.
Ames, Iowa:
Iowa State University Press,
1980.
Print.