Cita APA (7a ed.)

Wals, D. (2018). Mastering iOS 12 programming: Build professional-grade iOS applications with Swift and Xcode 10 (3rd edition.). Packt.

Cita Chicago Style (17a ed.)

Wals, Donny. Mastering IOS 12 Programming: Build Professional-grade IOS Applications with Swift and Xcode 10. 3rd edition. Birmingham: Packt, 2018.

Cita MLA (9a ed.)

Wals, Donny. Mastering IOS 12 Programming: Build Professional-grade IOS Applications with Swift and Xcode 10. 3rd edition. Packt, 2018.