APA citiranje

Wilke, P. P. (1962). The petrography of the Steenkampsberg dolerite sill, District Fraserburg. [University of Stellenbosch].

Chicago Style (17th ed.) Citation

Wilke, P. P. The Petrography of the Steenkampsberg Dolerite Sill, District Fraserburg. Stellenbosch: [University of Stellenbosch], 1962.

MLA citiranje

Wilke, P. P. The Petrography of the Steenkampsberg Dolerite Sill, District Fraserburg. [University of Stellenbosch], 1962.