APA (7th ed.) Citation

O'Reilly, T., Milstein, S., & Sawyer, B. (2012). The Twitter book (Second edition.). O'Reilly.

Chicago Style (17th ed.) Citation

O'Reilly, Tim, Sarah Milstein, and Brian Sawyer. The Twitter Book. Second edition. Sebastopol, California: O'Reilly, 2012.

MLA (9th ed.) Citation

O'Reilly, Tim, et al. The Twitter Book. Second edition. O'Reilly, 2012.