APA (7th ed.) Citation

O'Reilly, T., & Milstein, S. (2011). The Twitter Book, 2nd Edition (2nd edition.). O'Reilly Media, Inc..

Chicago Style (17th ed.) Citation

O'Reilly, Tim, and Sarah Milstein. The Twitter Book, 2nd Edition. 2nd edition. O'Reilly Media, Inc., 2011.

MLA (9th ed.) Citation

O'Reilly, Tim, and Sarah Milstein. The Twitter Book, 2nd Edition. 2nd edition. O'Reilly Media, Inc., 2011.

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