APA (7th ed.) Citation

Lewis, D. E., & Thompson, A. R. (1955). Canadian oil and gas. Butterworths.

Chicago Style (17th ed.) Citation

Lewis, David E., and Andrew R. Thompson. Canadian Oil and Gas. Toronto: Butterworths, 1955.

MLA (8th ed.) Citation

Lewis, David E., and Andrew R. Thompson. Canadian Oil and Gas. Butterworths, 1955.