Hahn, . M. D. (2004). The old Willis place: A ghost story. Clarion Books.
芝加哥风格引文Hahn, Mary Downing. The Old Willis Place: A Ghost Story. New York: Clarion Books, 2004.
MLA引文Hahn, Mary Downing. The Old Willis Place: A Ghost Story. Clarion Books, 2004.
警告：这些引文格式不一定是100％准确.