APA (7th ed.) Citation

Behar, R. (1996). Guess what's behind this IPO? Fortune, 134(7), 133.

Chicago Style (17th ed.) Citation

Behar, Richard. "Guess What's Behind This IPO?" Fortune 134, no. 7 (1996): 133.

MLA (9th ed.) Citation

Behar, Richard. "Guess What's Behind This IPO?" Fortune, vol. 134, no. 7, 1996, p. 133.