Cita APA (7a ed.)

Viljoen, V. E. (1962). The mineralogy and gensis of the Mangula, Vaalwater and Umkondo ore deposits. [University of Stellenbosch].

Cita Chicago Style (17a ed.)

Viljoen, V. E. The Mineralogy and Gensis of the Mangula, Vaalwater and Umkondo Ore Deposits. Stellenbosch: [University of Stellenbosch], 1962.

Cita MLA (8a ed.)

Viljoen, V. E. The Mineralogy and Gensis of the Mangula, Vaalwater and Umkondo Ore Deposits. [University of Stellenbosch], 1962.