APA (7th ed.) Citation

Button, G. (1993). Topping out? Forbes, 151(13), 12.

Chicago Style (17th ed.) Citation

Button, Graham. "Topping Out?" Forbes 151, no. 13 (1993): 12.

MLA (9th ed.) Citation

Button, Graham. "Topping Out?" Forbes, vol. 151, no. 13, 1993, p. 12.

Warning: These citations may not always be 100% accurate.