APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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

Warning: These citations may not always be 100% accurate.