Cita APA (7a ed.)

(2019). iPhone for seniors (Third edition.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

IPhone for Seniors. Third edition. Hoboken, N.J.: John Wiley & Sons, 2019.

Cita MLA (9a ed.)

IPhone for Seniors. Third edition. John Wiley & Sons, 2019.