Cita APA (7a ed.)

Hillegass, A. (2004). COCOA PROGRAMMING FOR MAC OS X SECOND EDITION (2nd edition.). Addison-Wesley Professional.

Cita Chicago Style (17a ed.)

Hillegass, Aaron. COCOA PROGRAMMING FOR MAC OS X SECOND EDITION. 2nd edition. Addison-Wesley Professional, 2004.

Cita MLA (8a ed.)

Hillegass, Aaron. COCOA PROGRAMMING FOR MAC OS X SECOND EDITION. 2nd edition. Addison-Wesley Professional, 2004.