Hallowell, J. H. (1950). Main currents in modern political thought. Holt.
芝加哥风格引文Hallowell, John Hamilton. Main Currents in Modern Political Thought. New York: Holt, 1950.
MLA引文Hallowell, John Hamilton. Main Currents in Modern Political Thought. Holt, 1950.
警告：这些引文格式不一定是100％准确.