Kreutz, A. (1942). Winter of the blue snow, from Paul Bunyan. Birchard.
芝加哥风格引文Kreutz, Arthur. Winter of the Blue Snow, from Paul Bunyan. Boston: Birchard, 1942.
MLA引文Kreutz, Arthur. Winter of the Blue Snow, from Paul Bunyan. Birchard, 1942.
警告：这些引文格式不一定是100％准确.