O'Sullivan, R. B. (1984). The base of the Upper Jurassic Morrison Formation in east-central Utah. United States Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationO'Sullivan, Robert Brett. The Base of the Upper Jurassic Morrison Formation in East-central Utah. [Reston, Va.]: United States Department of the Interior, U.S. Geological Survey, 1984.
MLA (9th ed.) CitationO'Sullivan, Robert Brett. The Base of the Upper Jurassic Morrison Formation in East-central Utah. United States Department of the Interior, U.S. Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.