Cita APA (7th ed.)

Nikiforuk, A. (2010). Tar sands: Dirty oil and the future of a continent (Revised and updated.). GreyStone Books.

Cita Chicago (17th ed.)

Nikiforuk, Andrew. Tar Sands: Dirty Oil and the Future of a Continent. Revised and updated. Vancouver: GreyStone Books, 2010.

Cita MLA (9th ed.)

Nikiforuk, Andrew. Tar Sands: Dirty Oil and the Future of a Continent. Revised and updated. GreyStone Books, 2010.