APA (7th ed.) Citation

Pogue, D. (2016). MacOS Sierra. O'Reilly Media.

Chicago Style (17th ed.) Citation

Pogue, David. MacOS Sierra. Sebastopol, CA: O'Reilly Media, 2016.

MLA (9th ed.) Citation

Pogue, David. MacOS Sierra. O'Reilly Media, 2016.

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