APA (7th ed.) Citation

Gates, D. (2000). A King of Infinite Space. Newsweek, 135(25), 71.

Chicago Style (17th ed.) Citation

Gates, David. "A King of Infinite Space." Newsweek 135, no. 25 (2000): 71.

MLA (9th ed.) Citation

Gates, David. "A King of Infinite Space." Newsweek, vol. 135, no. 25, 2000, p. 71.