Cita APA

Allen, R. A., & Baumgartner-Cohen, B. I. (2005). Punctuation.

Chicago Edition Citation

Allen, Robert; Author, i Beatrice; Illustrator Baumgartner-Cohen. Punctuation. New Delhi, Oxford University Press, 2005.

Cita MLA

Allen, Robert; Author, i Beatrice; Illustrator Baumgartner-Cohen. Punctuation. 2005.