APA (7th ed.) Citation

Ballem, J. B. (1973). The oil and gas lease in Canada. University of Toronto Press.

Chicago Style (17th ed.) Citation

Ballem, John Bishop. The Oil and Gas Lease in Canada. [Toronto], [Buffalo]: University of Toronto Press, 1973.

MLA (9th ed.) Citation

Ballem, John Bishop. The Oil and Gas Lease in Canada. University of Toronto Press, 1973.