Cobban, W. A., & Cobban, W. A. (1983). Stratigraphy and paleontology of mid-cretaceous rocks in Minnesota and contiguous areas. U.S. Gov. Pr. Off.
Chicago Style (17th ed.) CitationCobban, William A., and William A. Cobban. Stratigraphy and Paleontology of Mid-cretaceous Rocks in Minnesota and Contiguous Areas. Washington: U.S. Gov. Pr. Off, 1983.
MLA (9th ed.) CitationCobban, William A., and William A. Cobban. Stratigraphy and Paleontology of Mid-cretaceous Rocks in Minnesota and Contiguous Areas. U.S. Gov. Pr. Off, 1983.
Warning: These citations may not always be 100% accurate.