ebrary, Inc, Allen, G. W., & Folsom, E. (1995). Walt Whitman & the world. University of Iowa Press.
芝加哥风格引文ebrary, Inc, Gay Wilson Allen, 与 Ed Folsom. Walt Whitman & the World. Iowa City: University of Iowa Press, 1995.
MLA引文ebrary, Inc, et al. Walt Whitman & the World. University of Iowa Press, 1995.
警告：这些引文格式不一定是100％准确.