Cita APA (7a ed.)

Clayton, C. (2018). Learn iOS 11 Programming with Swift 4: Learn the fundamentals of iOS app development with Swift 4 and Xcode 9 (2nd ed.). Packt Publishing.

Cita Chicago Style (17a ed.)

Clayton, Craig. Learn IOS 11 Programming with Swift 4: Learn the Fundamentals of IOS App Development with Swift 4 and Xcode 9. 2nd ed. Birmingham: Packt Publishing, 2018.

Cita MLA (8a ed.)

Clayton, Craig. Learn IOS 11 Programming with Swift 4: Learn the Fundamentals of IOS App Development with Swift 4 and Xcode 9. 2nd ed. Packt Publishing, 2018.