Ackermann, B. A. (1958). Afrika-Seminaar: Die geologie van Afrika in oorsig. Koers, 26(9), 238-307. doi:10.4102/koers.v26i9.1678
Chicago Style (17th ed.) CitationAckermann, B. A. "Afrika-Seminaar: Die Geologie Van Afrika in Oorsig." Koers 26, no. 9 (1958): 238-307, https://doi.org/10.4102/koers.v26i9.1678.
MLA (9th ed.) CitationAckermann, B. A. "Afrika-Seminaar: Die Geologie Van Afrika in Oorsig." Koers, vol. 26, no. 9, 1958, pp. 238-307, https://doi.org/10.4102/koers.v26i9.1678.
Warning: These citations may not always be 100% accurate.