APA (7th ed.) Citation

Porter, T. (2004). What's the Point? American Journalism Review, 26(5), 58.

Chicago Style (17th ed.) Citation

Porter, Tim. "What's the Point?" American Journalism Review 26, no. 5 (2004): 58.

MLA (9th ed.) Citation

Porter, Tim. "What's the Point?" American Journalism Review, vol. 26, no. 5, 2004, p. 58.