APA (7th ed.) Citation

Gillespie, T. (1996). Computer media. Library Journal, 121(14), 204.

Chicago Style (17th ed.) Citation

Gillespie, Thom. "Computer Media." Library Journal 121, no. 14 (1996): 204.

MLA (9th ed.) Citation

Gillespie, Thom. "Computer Media." Library Journal, vol. 121, no. 14, 1996, p. 204.