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