Cita APA (7a ed.)

Langford, G. B. (2017). Out of the Earth: The Mineral Industry in Canada. University of Toronto Press, Scholarly Publishing Division.

Cita Chicago Style (17a ed.)

Langford, G. B. Out of the Earth: The Mineral Industry in Canada. [Place of publication not identified]: University of Toronto Press, Scholarly Publishing Division, 2017.

Cita MLA (8a ed.)

Langford, G. B. Out of the Earth: The Mineral Industry in Canada. University of Toronto Press, Scholarly Publishing Division, 2017.