APA (7th ed.) Citation

Auld, D. A. L. (1972). Economic thinking and pollution problems. University of Toronto Press.

Chicago Style (17th ed.) Citation

Auld, D. A. L. Economic Thinking and Pollution Problems. [Toronto, ; Buffalo]: University of Toronto Press, 1972.

MLA (8th ed.) Citation

Auld, D. A. L. Economic Thinking and Pollution Problems. University of Toronto Press, 1972.