APA (7th ed.) Citation

Van Zyl, D. (1967). The geology of the O'okiep Copper Mine, Namaqualand. [University of Stellenbosch].

Chicago Style (17th ed.) Citation

Van Zyl, D. The Geology of the O'okiep Copper Mine, Namaqualand. Stellenbosch: [University of Stellenbosch], 1967.

MLA (8th ed.) Citation

Van Zyl, D. The Geology of the O'okiep Copper Mine, Namaqualand. [University of Stellenbosch], 1967.