Cita APA (7a ed.)

Transvaal (Colony). Geological Survey & Transvaal (Colony). Mines Dept. Report of the Geological Survey for the year ... Govt. Print. and Stationery Office.

Cita Chicago Style (17a ed.)

Transvaal (Colony). Geological Survey y Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Pretoria: Govt. Print. and Stationery Office.

Cita MLA (8a ed.)

Transvaal (Colony). Geological Survey y Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Govt. Print. and Stationery Office.