Smithsonian Institution. Office of the Secretary & Lee, W. T. (1918). Early Mesozoic physiography of southern Rocky Mountains. [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Office of the Secretary and Willis T. Lee. Early Mesozoic Physiography of Southern Rocky Mountains. Washington, D.C.: [publisher not identified], 1918.
MLA (9th ed.) CitationSmithsonian Institution. Office of the Secretary and Willis T. Lee. Early Mesozoic Physiography of Southern Rocky Mountains. [publisher not identified], 1918.
Warning: These citations may not always be 100% accurate.