APA (7th ed.) Citation

Spector, L. (2002). Tools for Trouble-Free Computing. PCWorld, 20(5), 72.

Chicago Style (17th ed.) Citation

Spector, Lincoln. "Tools for Trouble-Free Computing." PCWorld 20, no. 5 (2002): 72.

MLA (9th ed.) Citation

Spector, Lincoln. "Tools for Trouble-Free Computing." PCWorld, vol. 20, no. 5, 2002, p. 72.