Sholly, D. R., & Newman, S. M. (1991). Guardians of Yellowstone: An intimate look at the challenges of protecting America's foremost wilderness park. Morrow.
Chicago Style (17th ed.) CitationSholly, Dan R., and Steven M. Newman. Guardians of Yellowstone: An Intimate Look at the Challenges of Protecting America's Foremost Wilderness Park. New York: Morrow, 1991.
MLA (8th ed.) CitationSholly, Dan R., and Steven M. Newman. Guardians of Yellowstone: An Intimate Look at the Challenges of Protecting America's Foremost Wilderness Park. Morrow, 1991.
Warning: These citations may not always be 100% accurate.