ebrary, Inc, Schneider, D., & Lilienfeld, D. E. (2011). Twentieth century challenges. Rutgers University Press.
芝加哥风格引文ebrary, Inc, Dona Schneider, 与 David E. Lilienfeld. Twentieth Century Challenges. New Brunswick, N.J.: Rutgers University Press, 2011.
MLA引文ebrary, Inc, et al. Twentieth Century Challenges. Rutgers University Press, 2011.
警告：这些引文格式不一定是100％准确.