APA (7th ed.) Citation

Johnson, M. R., & Le Roux, F. G. (1994). The geology of the Grahamstown area: Explanation of sheet 3326, scale l : 250 000. Govt. Printer.

Chicago Style (17th ed.) Citation

Johnson, M. R., and F. G. Le Roux. The Geology of the Grahamstown Area: Explanation of Sheet 3326, Scale L : 250 000. Pretoria: Govt. Printer, 1994.

MLA (8th ed.) Citation

Johnson, M. R., and F. G. Le Roux. The Geology of the Grahamstown Area: Explanation of Sheet 3326, Scale L : 250 000. Govt. Printer, 1994.