APA (7th ed.) Citation

GEIER, E. (2013). Four ways to make Internet Explorer more secure. PCWorld, 31(9), 189.

Chicago Style (17th ed.) Citation

GEIER, ERIC. "Four Ways to Make Internet Explorer More Secure." PCWorld 31, no. 9 (2013): 189.

MLA (9th ed.) Citation

GEIER, ERIC. "Four Ways to Make Internet Explorer More Secure." PCWorld, vol. 31, no. 9, 2013, p. 189.