APA (7th ed.) Zitazioa
Boyer, D. E., & Webb, R. H. (2007). Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Utah State University Press.
Chicago Style (17th ed.) Zitazioa
Boyer, Diane E., eta Robert H. Webb. Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Logan, Utah: Utah State University Press, 2007.
MLA (9th ed.) Zitazioa
Boyer, Diane E., eta Robert H. Webb. Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Utah State University Press, 2007.
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