Dellenbaugh, F. S. (2003). The Romance of the Colorado River The Story of its Discovery in 1840, with an Account of the Later Explorations, and with Special Reference to the Voyages of Powell through the Line of the Great Canyons. Project Gutenberg.
Chicago Style (17th ed.) CitationDellenbaugh, Frederick Samuel. The Romance of the Colorado River The Story of Its Discovery in 1840, with an Account of the Later Explorations, and with Special Reference to the Voyages of Powell Through the Line of the Great Canyons. Project Gutenberg, 2003.
MLA (9th ed.) CitationDellenbaugh, Frederick Samuel. The Romance of the Colorado River The Story of Its Discovery in 1840, with an Account of the Later Explorations, and with Special Reference to the Voyages of Powell Through the Line of the Great Canyons. Project Gutenberg, 2003.