Cita APA (7a ed.)

Hoffman, J. (2017). Mastering Swift 4 - Fourth Edition. Packt Publishing.

Cita Chicago Style (17a ed.)

Hoffman, Jon. Mastering Swift 4 - Fourth Edition. Birmingham, UNKNOWN: Packt Publishing, 2017.

Cita MLA (8a ed.)

Hoffman, Jon. Mastering Swift 4 - Fourth Edition. Packt Publishing, 2017.