APA (7th ed.) Citation

Vind, O. (2000). Make Your Web Site Healthier with an HTML Code Checkup. Computers in Libraries, 20(1), 40.

Chicago Style (17th ed.) Citation

Vind, Ole. "Make Your Web Site Healthier with an HTML Code Checkup." Computers in Libraries 20, no. 1 (2000): 40.

MLA (9th ed.) Citation

Vind, Ole. "Make Your Web Site Healthier with an HTML Code Checkup." Computers in Libraries, vol. 20, no. 1, 2000, p. 40.