Untiedt. Cowboys, Cops, Killers, and Ghosts. University of North Texas Press.
Chicago Style (17th ed.) CitationUntiedt. Cowboys, Cops, Killers, and Ghosts. University of North Texas Press.
MLA引文Untiedt. Cowboys, Cops, Killers, and Ghosts. University of North Texas Press.
警告：這些引文格式不一定是100％准確.