Style de citation APA (7e éd.)

Johansen, H. E., Matthews, O. P., & Rudzitis, G. (1987). Mineral resource development: Geopolitics, economics, and policy. Westview Press.

Style de citation Chicago (17e éd.)

Johansen, Harley E., Olen Paul Matthews, et Gundars Rudzitis. Mineral Resource Development: Geopolitics, Economics, and Policy. Boulder, Colo: Westview Press, 1987.

Style de citation MLA (9e éd.)

Johansen, Harley E., et al. Mineral Resource Development: Geopolitics, Economics, and Policy. Westview Press, 1987.