APA (7th ed.) Citation

Gralla, P. (2007). E-Mail Tip: Use Gmail as a Universal Inbox. PCWorld, 25(10), 142.

Chicago Style (17th ed.) Citation

Gralla, Preston. "E-Mail Tip: Use Gmail as a Universal Inbox." PCWorld 25, no. 10 (2007): 142.

MLA (9th ed.) Citation

Gralla, Preston. "E-Mail Tip: Use Gmail as a Universal Inbox." PCWorld, vol. 25, no. 10, 2007, p. 142.