DAVIDSON, B. (1962). Six brave presidents: President Kennedy. harper and row.
芝加哥风格引文DAVIDSON, Bill. Six Brave Presidents: President Kennedy. New York: harper and row, 1962.
MLA引文DAVIDSON, Bill. Six Brave Presidents: President Kennedy. harper and row, 1962.
警告：这些引文格式不一定是100％准确.