APA (7 ম সংস্করণ) উদ্ধৃতি

Survey, U. S. G. (1981). Stratigraphy and sedimentary facies of the Madison limestone and associated rocks in parts of Montana, North Dakota, South Dakota, Wyoming and Nebraska. Denver, Colo. : US Geological Survey.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Survey, United States. Geological. Stratigraphy and Sedimentary Facies of the Madison Limestone and Associated Rocks in Parts of Montana, North Dakota, South Dakota, Wyoming and Nebraska. Denver, Colo. : US Geological Survey, 1981.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Survey, United States. Geological. Stratigraphy and Sedimentary Facies of the Madison Limestone and Associated Rocks in Parts of Montana, North Dakota, South Dakota, Wyoming and Nebraska. Denver, Colo. : US Geological Survey, 1981.