APA Style
Tolley, George S., Riggs, F. E.. (1961).
Economics of Watershed Planning (First Edition).
Lowa:
The Lowa State University Press.
Chicago Style
Tolley, George S., Riggs, F. E..
Economics of Watershed Planning.
First Edition
Lowa:
The Lowa State University Press,
1961.
Print.
MLA Style
Tolley, George S., Riggs, F. E..
Economics of Watershed Planning.
First Edition
Lowa:
The Lowa State University Press,
1961.
Print.
Turabian Style
Tolley, George S., Riggs, F. E..
Economics of Watershed Planning.
First Edition
Lowa:
The Lowa State University Press,
1961.
Print.