International Gondwana Symposium, International Union of Geological Sciences. Sub-Commission on Gondwana Stratigraphy and Palaeontology, & International Symposium on the Geology and Stratigraphy of the Gondwana System. (1970). Proceedings and papers. published by Council for Scientific and Industrial Research.
Chicago Style (17th ed.) CitationInternational Gondwana Symposium, International Union of Geological Sciences. Sub-Commission on Gondwana Stratigraphy and Palaeontology, and International Symposium on the Geology and Stratigraphy of the Gondwana System. Proceedings and Papers. Pretoria, South Africa: published by Council for Scientific and Industrial Research, 1970.
MLA (9th ed.) CitationInternational Gondwana Symposium, et al. Proceedings and Papers. published by Council for Scientific and Industrial Research, 1970.