Feldmann, R. M. (1972). Stratigraphy and paleoecology of the Fox Hills Formation (Upper Cretaceous) of North Dakota. North Dakota Geological Survey.
Chicago Style (17th ed.) CitationFeldmann, Rodney M. Stratigraphy and Paleoecology of the Fox Hills Formation (Upper Cretaceous) of North Dakota. [Bismark]: North Dakota Geological Survey, 1972.
MLA (9th ed.) CitationFeldmann, Rodney M. Stratigraphy and Paleoecology of the Fox Hills Formation (Upper Cretaceous) of North Dakota. North Dakota Geological Survey, 1972.
Warning: These citations may not always be 100% accurate.