Cita APA (7a ed.)

Bristol, G. L., & Duncan, D. (2017). Glacier National Park: A Culmination of Giants. University of Nevada Press.

Cita Chicago Style (17a ed.)

Bristol, George Lambert, y Dayton Duncan. Glacier National Park: A Culmination of Giants. Reno: University of Nevada Press, 2017.

Cita MLA (8a ed.)

Bristol, George Lambert, y Dayton Duncan. Glacier National Park: A Culmination of Giants. University of Nevada Press, 2017.