Cita APA (7a ed.)
Keur, C., Hillegass, A., & Conway, J. IOS Programming: The Big Nerd Ranch Guide. Big Nerd Ranch.
Cita estilo Chicago (17a ed.)
Keur, Christian, Aaron Hillegass, y Joe Conway. IOS Programming: The Big Nerd Ranch Guide. Atlanta, EUA: Big Nerd Ranch.
Cita MLA (9a ed.)
Keur, Christian, et al. IOS Programming: The Big Nerd Ranch Guide. Big Nerd Ranch.
Precaución: Estas citas no son 100% exactas.