Purdie, B. (1972). Ireland unfree. London: IMG.
芝加哥风格引文Purdie, Bob. Ireland Unfree. London: IMG, 1972.
MLA引文Purdie, Bob. Ireland Unfree. London: IMG, 1972.
警告：这些引文格式不一定是100％准确.
APA引文
Purdie, B. (1972). Ireland unfree. London: IMG.
芝加哥风格引文Purdie, Bob. Ireland Unfree. London: IMG, 1972.
MLA引文Purdie, Bob. Ireland Unfree. London: IMG, 1972.