APA (7th ed.) Citation

Baker, K. Mark Zuckerberg's 650 million friends (and counting). Newsweek..

Chicago Style (17th ed.) Citation

Baker, Katie. "Mark Zuckerberg's 650 Million Friends (and Counting)." Newsweek. .

MLA (9th ed.) Citation

Baker, Katie. "Mark Zuckerberg's 650 Million Friends (and Counting)." Newsweek., .

Warning: These citations may not always be 100% accurate.