APA (7th ed.) Citation

Callahan, S. (1999). Intertec takes over waste magazine. Advertising Age's Business Marketing, 84(3), 11.

Chicago Style (17th ed.) Citation

Callahan, Sean. "Intertec Takes over Waste Magazine." Advertising Age's Business Marketing 84, no. 3 (1999): 11.

MLA (9th ed.) Citation

Callahan, Sean. "Intertec Takes over Waste Magazine." Advertising Age's Business Marketing, vol. 84, no. 3, 1999, p. 11.