ebrary, Inc, Rasmussen, R. K., & Twain, M. (2013). Dear Mark Twain: Letters from his readers. University of California Press.
芝加哥风格引文ebrary, Inc, R. Kent Rasmussen, 与 Mark Twain. Dear Mark Twain: Letters from His Readers. Berkeley: University of California Press, 2013.
MLA引文ebrary, Inc, et al. Dear Mark Twain: Letters from His Readers. University of California Press, 2013.
警告：这些引文格式不一定是100％准确.