Smokov. He Rode with Butch and Sundance. University of North Texas Press.
芝加哥风格引文Smokov. He Rode with Butch and Sundance. University of North Texas Press.
MLA引文Smokov. He Rode with Butch and Sundance. University of North Texas Press.
警告：这些引文格式不一定是100％准确.