Cita APA (7a ed.)

Knott, M. a., & Bramhall, D. a. (2014). Beginning Xcode (1st ed. 2014.). Apress.

Cita Chicago Style (17a ed.)

Knott, Matthew. author, y Daniel. author Bramhall. Beginning Xcode. 1st ed. 2014. Berkeley, CA: Apress, 2014.

Cita MLA (9a ed.)

Knott, Matthew. author, y Daniel. author Bramhall. Beginning Xcode. 1st ed. 2014. Apress, 2014.