Copeland, T., & Gunns, A. F. (1993). The Centralia tragedy of 1919: Elmer Smith and the Wobblies. University of Washington Press.
芝加哥风格引文Copeland, Tom, 与 Albert F. Gunns. The Centralia Tragedy of 1919: Elmer Smith and the Wobblies. Seattle: University of Washington Press, 1993.
MLA引文Copeland, Tom, 与 Albert F. Gunns. The Centralia Tragedy of 1919: Elmer Smith and the Wobblies. University of Washington Press, 1993.
警告：这些引文格式不一定是100％准确.