Cita APA (7a ed.)
Boyer, D. E., & Webb, R. H. (2007). Damming Grand Canyon: The 1923 USGS Colorado River expedition. Utah State University Press.
Cita Chicago Style (17a ed.)
Boyer, Diane E., y Robert H. Webb. Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Logan, Utah: Utah State University Press, 2007.
Cita MLA (9a ed.)
Boyer, Diane E., y Robert H. Webb. Damming Grand Canyon: The 1923 USGS Colorado River Expedition. Utah State University Press, 2007.
Precaución: Estas citas no son 100% exactas.