Jeletzky, J. A. (1968). Macro fossil zones of the marine cretaceous of the western interior of Canada and their correlation with the zones and stages of Europe and the western interior of the United States. Geological Survey of Canada.
Chicago Style (17th ed.) CitationJeletzky, J. A. Macro Fossil Zones of the Marine Cretaceous of the Western Interior of Canada and Their Correlation with the Zones and Stages of Europe and the Western Interior of the United States. Ottawa: Geological Survey of Canada, 1968.
MLA (9th ed.) CitationJeletzky, J. A. Macro Fossil Zones of the Marine Cretaceous of the Western Interior of Canada and Their Correlation with the Zones and Stages of Europe and the Western Interior of the United States. Geological Survey of Canada, 1968.
Warning: These citations may not always be 100% accurate.