APA引文

Richard S & Opton, E. M. (1967). Personality. Penguin Books.

Chicago Edition Citation

Richard S and Edward M. Opton. Personality. England: Penguin Books, 1967.

MLA引文

Richard S and Edward M. Opton. Personality. Penguin Books, 1967.

警告：这些引文格式不一定是100％准确.