APA (7th ed.) Citation

McCombs, M., Chyi, I., & Kiousis, S. (2004, December). How the news media set the agenda. Doxa Comunicación.

Chicago Style (17th ed.) Citation

McCombs, Maxwell, Iris Chyi, and Spiro Kiousis. "How the News Media Set the Agenda." Doxa Comunicación Dec. 2004.

MLA (9th ed.) Citation

McCombs, Maxwell, et al. "How the News Media Set the Agenda." Doxa Comunicación, Dec. 2004.