Nichols, R. L., & Halley, P. L. (1980). Stephen Long and American frontier exploration. University of Delaware Press.
Chicago Style (17th ed.) CitationNichols, Roger L., and Patrick L. Halley. Stephen Long and American Frontier Exploration. Newark: University of Delaware Press, 1980.
MLA (9th ed.) CitationNichols, Roger L., and Patrick L. Halley. Stephen Long and American Frontier Exploration. University of Delaware Press, 1980.
Warning: These citations may not always be 100% accurate.