APA (7th ed.) Citation

Geron, T., & Mac, R. (2013). Facebook Needs Traffic. Forbes, 191(8), 1.

Chicago Style (17th ed.) Citation

Geron, Tomio, and Ryan Mac. "Facebook Needs Traffic." Forbes 191, no. 8 (2013): 1.

MLA (9th ed.) Citation

Geron, Tomio, and Ryan Mac. "Facebook Needs Traffic." Forbes, vol. 191, no. 8, 2013, p. 1.