APA (7th ed.) Citation

Button, G. (1996). Unintended consequences. Forbes, 158(12), 158.

Chicago Style (17th ed.) Citation

Button, Graham. "Unintended Consequences." Forbes 158, no. 12 (1996): 158.

MLA (9th ed.) Citation

Button, Graham. "Unintended Consequences." Forbes, vol. 158, no. 12, 1996, p. 158.