ebrary, Inc, Engs, R. F., Brooks, C. M., & Evans, J. S. (2007). Their patriotic duty: The Civil War letters of the Evans family of Brown County, Ohio. Fordham University Press.
芝加哥风格引文ebrary, Inc, Robert Francis Engs, Corey M. Brooks, 与 Joseph S. Evans. Their Patriotic Duty: The Civil War Letters of the Evans Family of Brown County, Ohio. New York: Fordham University Press, 2007.
MLA引文ebrary, Inc, et al. Their Patriotic Duty: The Civil War Letters of the Evans Family of Brown County, Ohio. Fordham University Press, 2007.
警告：这些引文格式不一定是100％准确.