APA (7th ed.) Citation

Cole, D. I., & Vorster, C. J. (1999). The metallogeny of the Sutherland area. Geological Survey of South Africa.

Chicago Style (17th ed.) Citation

Cole, D. I., and C. J. Vorster. The Metallogeny of the Sutherland Area. Pretoria: Geological Survey of South Africa, 1999.

MLA (9th ed.) Citation

Cole, D. I., and C. J. Vorster. The Metallogeny of the Sutherland Area. Geological Survey of South Africa, 1999.