APA (7th ed.) Citation

Ibsen, C. A., & Ballweg, J. A. (1969). Public perception of water resource problems. Water Resources Research Center, Virginia Polytechnic Institute.

Chicago Style (17th ed.) Citation

Ibsen, Charles A., and John A. Ballweg. Public Perception of Water Resource Problems. Blacksburg: Water Resources Research Center, Virginia Polytechnic Institute, 1969.

MLA (9th ed.) Citation

Ibsen, Charles A., and John A. Ballweg. Public Perception of Water Resource Problems. Water Resources Research Center, Virginia Polytechnic Institute, 1969.