Smithsonian Institution, Powell, J. W., Thompson, A. H., Coues, E., & Goode, G. B. (1875). Exploration of the Colorado River of the West and its tributaries.: Explored in 1869, 1870, 1871, and 1872, under the direction of the secretary of the Smithsonian institution. Govt. print. off.
Chicago Style (17th ed.) CitationSmithsonian Institution, John Wesley Powell, A. H. Thompson, Elliott Coues, and G. Brown Goode. Exploration of the Colorado River of the West and Its Tributaries.: Explored in 1869, 1870, 1871, and 1872, Under the Direction of the Secretary of the Smithsonian Institution. Washington: Govt. print. off, 1875.
MLA (9th ed.) CitationSmithsonian Institution, et al. Exploration of the Colorado River of the West and Its Tributaries.: Explored in 1869, 1870, 1871, and 1872, Under the Direction of the Secretary of the Smithsonian Institution. Govt. print. off, 1875.