Ostrom, J. H. (1970). Stratigraphy and paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin area: Wyoming and Montana. Peabody Museum of Natural History, Yale University.
芝加哥风格引文Ostrom, John H. Stratigraphy and Paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin Area: Wyoming and Montana. New Haven: Peabody Museum of Natural History, Yale University, 1970.
MLA引文Ostrom, John H. Stratigraphy and Paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin Area: Wyoming and Montana. Peabody Museum of Natural History, Yale University, 1970.
警告：这些引文格式不一定是100％准确.