Crane, P. R., Manchester, S. R., & Dilcher, D. L. (1990). A Preliminary survey of fossil leaves and well-preserved reproductive structures from the Sentinel Butte Formation (Paleocene) near Almont, North Dakota. Field Museum of Natural History.
Chicago Style (17th ed.) CitationCrane, Peter R., Steven R. Manchester, and David L. Dilcher. A Preliminary Survey of Fossil Leaves and Well-preserved Reproductive Structures from the Sentinel Butte Formation (Paleocene) Near Almont, North Dakota. Chicago, Ill.: Field Museum of Natural History, 1990.
MLA (9th ed.) CitationCrane, Peter R., et al. A Preliminary Survey of Fossil Leaves and Well-preserved Reproductive Structures from the Sentinel Butte Formation (Paleocene) Near Almont, North Dakota. Field Museum of Natural History, 1990.