APA (7th ed.) Citation

Geological Survey (U.S.). (1995). Shorter contributions to the stratigraphy and geochronology of Upper Cretaceous rocks in the western interior of the United States. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Shorter Contributions to the Stratigraphy and Geochronology of Upper Cretaceous Rocks in the Western Interior of the United States. Washington: U.S. G.P.O., 1995.

MLA (9th ed.) Citation

Geological Survey (U.S.). Shorter Contributions to the Stratigraphy and Geochronology of Upper Cretaceous Rocks in the Western Interior of the United States. U.S. G.P.O., 1995.