APA引文

Crystal, D. (1984). Who cares about english usage. penguin.

芝加哥风格引文

Crystal, David. Who Cares About English Usage. middlesex: penguin, 1984.

MLA引文

Crystal, David. Who Cares About English Usage. penguin, 1984.

警告：这些引文格式不一定是100％准确.