APA Style

Stallings, William. (2012). Operating systems : internals and design principles 7th ed. (7th). Harlow: .

Chicago Style

Stallings, William. Operating systems : internals and design principles 7th ed.. 7th Harlow: , 2012. Text.

MLA Style

Stallings, William. Operating systems : internals and design principles 7th ed.. 7th Harlow: , 2012. Text.

Turabian Style

Stallings, William. Operating systems : internals and design principles 7th ed.. 7th Harlow: , 2012. Print.