Jensen. The Pawnee Mission Letters, 1834-1851. University of Nebraska Press.
芝加哥风格引文Jensen. The Pawnee Mission Letters, 1834-1851. University of Nebraska Press.
MLA引文Jensen. The Pawnee Mission Letters, 1834-1851. University of Nebraska Press.
警告：这些引文格式不一定是100％准确.