APA Style
Allen,S.W, Colbert, E.H.. (1955).
Conserving Natural Resources Principles and Practice in a Democracy .
New York:
McGraw- Hill Book Company.
Chicago Style
Allen,S.W, Colbert, E.H..
Conserving Natural Resources Principles and Practice in a Democracy.
New York:
McGraw- Hill Book Company,
1955.
.
MLA Style
Allen,S.W, Colbert, E.H..
Conserving Natural Resources Principles and Practice in a Democracy.
New York:
McGraw- Hill Book Company,
1955.
.
Turabian Style
Allen,S.W, Colbert, E.H..
Conserving Natural Resources Principles and Practice in a Democracy.
New York:
McGraw- Hill Book Company,
1955.
.