Cunningham, C. (2005). Yellowstone to Denali: Bears, bison, poachers, thieves, and other characters. Outskirts Press.
Chicago-Zitierstil (17. Ausg.)Cunningham, Clay. Yellowstone to Denali: Bears, Bison, Poachers, Thieves, and Other Characters. Denver, Colo: Outskirts Press, 2005.
MLA-Zitierstil (9. Ausg.)Cunningham, Clay. Yellowstone to Denali: Bears, Bison, Poachers, Thieves, and Other Characters. Outskirts Press, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.