APA (7th ed.) Citation

Johnson, R. C., & May, F. E. (1980). A study of the Cretaceous-Tertiary unconformity in the Piceance Creek Basin, Colorado: The underlying Ohio Creek Formation (Upper Cretaceous) redefined as a member of the Hunter Canyon or Mesaverde Formation. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, Ronald C., and Fred E. May. A Study of the Cretaceous-Tertiary Unconformity in the Piceance Creek Basin, Colorado: The Underlying Ohio Creek Formation (Upper Cretaceous) Redefined as a Member of the Hunter Canyon or Mesaverde Formation. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1980.

MLA (9th ed.) Citation

Johnson, Ronald C., and Fred E. May. A Study of the Cretaceous-Tertiary Unconformity in the Piceance Creek Basin, Colorado: The Underlying Ohio Creek Formation (Upper Cretaceous) Redefined as a Member of the Hunter Canyon or Mesaverde Formation. United States Department of the Interior, Geological Survey, 1980.