Darrah, W. C., Chamberlin, R. V., & Kelly, C. (2009). The exploration of the Colorado River in 1869 and 1871-1872: Biographical sketches and original documents of the first Powell expedition of 1869 and the second Powell expedition of 1871-1872 (Reprint edition.). The University of Utah Press.
Chicago-Zitierstil (17. Ausg.)Darrah, William Culp, Ralph V. Chamberlin, und Charles Kelly. The Exploration of the Colorado River in 1869 and 1871-1872: Biographical Sketches and Original Documents of the First Powell Expedition of 1869 and the Second Powell Expedition of 1871-1872. Reprint edition. Salt Lake City: The University of Utah Press, 2009.
MLA-Zitierstil (9. Ausg.)Darrah, William Culp, et al. The Exploration of the Colorado River in 1869 and 1871-1872: Biographical Sketches and Original Documents of the First Powell Expedition of 1869 and the Second Powell Expedition of 1871-1872. Reprint edition. The University of Utah Press, 2009.