APA引文

Crystal ,David. (1971). Linguisics. Penguin Books, England.

Chicago Edition Citation

Crystal ,David. Linguisics. Penguin Books, England: Penguin Books, England, 1971.

MLA引文

Crystal ,David. Linguisics. Penguin Books, England, 1971.

警告：這些引文格式不一定是100％准確.