Krupat, A., Gould, R., & Bak, H. (2015). Companion to James Welch's The heartsong of Charging Elk. University of Nebraska Press.
Chicago Style (17th ed.) CitationKrupat, Arnold, Rachel Gould, and Hans Bak. Companion to James Welch's The Heartsong of Charging Elk. Lincoln, Nebraska ; London, [England]: University of Nebraska Press, 2015.
MLA (9th ed.) CitationKrupat, Arnold, et al. Companion to James Welch's The Heartsong of Charging Elk. University of Nebraska Press, 2015.
Warning: These citations may not always be 100% accurate.