Roemer, K. M. (1976). The obsolete necessity: America in utopian writings, 1888-1900. Kent State University Press.
芝加哥风格引文Roemer, Kenneth M. The Obsolete Necessity: America in Utopian Writings, 1888-1900. [Kent, Ohio]: Kent State University Press, 1976.
MLA引文Roemer, Kenneth M. The Obsolete Necessity: America in Utopian Writings, 1888-1900. Kent State University Press, 1976.
警告：这些引文格式不一定是100％准确.