APA (7th ed.) Citation

Shaffer, E. H. (1985). Canada's oil and the American empire. Hurtig.

Chicago Style (17th ed.) Citation

Shaffer, Edward H. Canada's Oil and the American Empire. Edmonton: Hurtig, 1985.

MLA (9th ed.) Citation

Shaffer, Edward H. Canada's Oil and the American Empire. Hurtig, 1985.