APA (7th ed.) Citation

Arnold, Postan, & Witek. (1999). Research writing in the information age. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Arnold, Postan, and Witek. Research Writing in the Information Age. Boston: Allyn and Bacon, 1999.

MLA (8th ed.) Citation

Arnold, et al. Research Writing in the Information Age. Allyn and Bacon, 1999.