Dippie, B. W. (1999). Charlie Russell roundup: Essays on America's favorite cowboy artist. Montana Historical Society Press.
Cita Chicago Style (17a ed.)Dippie, Brian W. Charlie Russell Roundup: Essays on America's Favorite Cowboy Artist. Helena, Mont.: Montana Historical Society Press, 1999.
Cita MLA (8a ed.)Dippie, Brian W. Charlie Russell Roundup: Essays on America's Favorite Cowboy Artist. Montana Historical Society Press, 1999.
Precaución: Estas citas no son 100% exactas.