APA Style
Greenwood, N.J., Edwards, J.M.B. (1979).
Human Environments and Natural System 2nd Edition (2).
California:
Duxbury Press.
Chicago Style
Greenwood, N.J., Edwards, J.M.B.
Human Environments and Natural System 2nd Edition.
2
California:
Duxbury Press,
1979.
Text.
MLA Style
Greenwood, N.J., Edwards, J.M.B.
Human Environments and Natural System 2nd Edition.
2
California:
Duxbury Press,
1979.
Text.
Turabian Style
Greenwood, N.J., Edwards, J.M.B.
Human Environments and Natural System 2nd Edition.
2
California:
Duxbury Press,
1979.
Print.