Pratchett, T. (1976). The dark side of the sun. Corgi Books.
芝加哥风格引文Pratchett, Terry. The Dark Side of the Sun. London: Corgi Books, 1976.
MLA引文Pratchett, Terry. The Dark Side of the Sun. Corgi Books, 1976.
警告：这些引文格式不一定是100％准确.
APA引文