Cobban, W. A., & Kennedy, W. J. (1993). The Upper Cretaceous dimorphic pachydiscid ammonite Menuites in the western interior of the United States. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationCobban, William A., and W. J. Kennedy. The Upper Cretaceous Dimorphic Pachydiscid Ammonite Menuites in the Western Interior of the United States. Washington: U.S. Department of the Interior, U.S. Geological Survey, 1993.
MLA (9th ed.) CitationCobban, William A., and W. J. Kennedy. The Upper Cretaceous Dimorphic Pachydiscid Ammonite Menuites in the Western Interior of the United States. U.S. Department of the Interior, U.S. Geological Survey, 1993.
Warning: These citations may not always be 100% accurate.