Geological Survey (South Africa), Geological Survey (South Africa), South Africa. Department of Mines, Council for Geoscience (South Africa), & South Africa. Department of Mineral and Energy Affairs. (1972). Seismologic series. Government Printer.
Chicago Style (17th ed.) CitationGeological Survey (South Africa), Geological Survey (South Africa), South Africa. Department of Mines, Council for Geoscience (South Africa), and South Africa. Department of Mineral and Energy Affairs. Seismologic Series. Pretoria: Government Printer, 1972.
MLA (8th ed.) CitationGeological Survey (South Africa), et al. Seismologic Series. Government Printer, 1972.
Warning: These citations may not always be 100% accurate.