APA (7th ed.) Citation

Machan, D., & Button, G. (1990). Beyond the slammer. Forbes, 146(12), 284.

Chicago Style (17th ed.) Citation

Machan, Dyan, and Graham Button. "Beyond the Slammer." Forbes 146, no. 12 (1990): 284.

MLA (9th ed.) Citation

Machan, Dyan, and Graham Button. "Beyond the Slammer." Forbes, vol. 146, no. 12, 1990, p. 284.