Cita APA (7a ed.)

Gray, A. (2015). Swift pocket reference: Programming for iOS and OS X (Second edition.). O'Reilly Media.

Cita Chicago Style (17a ed.)

Gray, Anthony. Swift Pocket Reference: Programming for IOS and OS X. Second edition. Sebastopol, CA: O'Reilly Media, 2015.

Cita MLA (8a ed.)

Gray, Anthony. Swift Pocket Reference: Programming for IOS and OS X. Second edition. O'Reilly Media, 2015.