APA (7th ed.) Citation

Williams, R., & Tollett, J. (2012). Mac OS X Lion. Peachpit Press.

Chicago Style (17th ed.) Citation

Williams, Robin, and John Tollett. Mac OS X Lion. Berkeley, CA: Peachpit Press, 2012.

MLA (9th ed.) Citation

Williams, Robin, and John Tollett. Mac OS X Lion. Peachpit Press, 2012.

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