APA (7th ed.) Citation

Goodwin, M., Heffernan, C., & Miller, D. (1999). File Compression. PCWorld, 17(8), 162.

Chicago Style (17th ed.) Citation

Goodwin, Michael, Cameron Heffernan, and Dan Miller. "File Compression." PCWorld 17, no. 8 (1999): 162.

MLA (9th ed.) Citation

Goodwin, Michael, et al. "File Compression." PCWorld, vol. 17, no. 8, 1999, p. 162.