Klaus, C. H. (1997). Weathering winter: A gardener's daybook. University of Iowa Press.
芝加哥风格引文Klaus, Carl H. Weathering Winter: A Gardener's Daybook. Iowa City, IA: University of Iowa Press, 1997.
MLA引文Klaus, Carl H. Weathering Winter: A Gardener's Daybook. University of Iowa Press, 1997.
警告：这些引文格式不一定是100％准确.