Leaf, S. (2020). Minnesota's geologist: The life of Newton Horace Winchell. University of Minnesota Press.
芝加哥风格引文Leaf, Sue. Minnesota's Geologist: The Life of Newton Horace Winchell. Minneapolis, MN: University of Minnesota Press, 2020.
MLA引文Leaf, Sue. Minnesota's Geologist: The Life of Newton Horace Winchell. University of Minnesota Press, 2020.
警告：这些引文格式不一定是100％准确.