Clarfield, G. H. (1980). Timothy pickering and the American Republic. University of Pittsburgh.
芝加哥风格引文Clarfield, Gerald H. Timothy Pickering and the American Republic. Pittsburg: University of Pittsburgh, 1980.
MLA引文Clarfield, Gerald H. Timothy Pickering and the American Republic. University of Pittsburgh, 1980.
警告：这些引文格式不一定是100％准确.