APA (7th ed.) Citation
Johnson, D. (August/September 1998). Who's on the Internet and why. Futurist, 32(6), 11-13.
Chicago Style (17th ed.) Citation
Johnson, Dan. "Who's on the Internet and Why." Futurist 32, no. 6 (August/September 1998): 11-13.
MLA (9th ed.) Citation
Johnson, Dan. "Who's on the Internet and Why." Futurist, vol. 32, no. 6, August/September 1998, pp. 11-13.
Warning: These citations may not always be 100% accurate.