O'Sullivan, R. B. (1970). The upper part of the Upper Triassic Chinle Formation and related rocks, southeastern Utah and adjacent areas. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationO'Sullivan, Robert Brett. The Upper Part of the Upper Triassic Chinle Formation and Related Rocks, Southeastern Utah and Adjacent Areas. Washington: U.S. Govt. Print. Off, 1970.
MLA (9th ed.) CitationO'Sullivan, Robert Brett. The Upper Part of the Upper Triassic Chinle Formation and Related Rocks, Southeastern Utah and Adjacent Areas. U.S. Govt. Print. Off, 1970.
Warning: These citations may not always be 100% accurate.