APA (7th ed.) Citation

Williams, R., & Tollett, J. (2010). Mac OS X 10.6 Snow Leopard. Peachpit Press.

Chicago Style (17th ed.) Citation

Williams, Robin, and John Tollett. Mac OS X 10.6 Snow Leopard. Berkeley, Calif: Peachpit Press, 2010.

MLA (9th ed.) Citation

Williams, Robin, and John Tollett. Mac OS X 10.6 Snow Leopard. Peachpit Press, 2010.

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