APA (7th ed.) Citation

Gray, E. (1970). The great Canadian oil patch. Maclean-Hunter.

Chicago Style (17th ed.) Citation

Gray, Earle. The Great Canadian Oil Patch. [Toronto]: Maclean-Hunter, 1970.

MLA (8th ed.) Citation

Gray, Earle. The Great Canadian Oil Patch. Maclean-Hunter, 1970.

Warning: These citations may not always be 100% accurate.