Cita APA (7a ed.)

Oram, A., & Wilson, G. (2007). Beautiful code (1st. ed.). O'Reilly.

Cita Chicago Style (17a ed.)

Oram, Andrew, y Greg Wilson. Beautiful Code. 1st. ed. Beijing [etc.]: O'Reilly, 2007.

Cita MLA (9a ed.)

Oram, Andrew, y Greg Wilson. Beautiful Code. 1st. ed. O'Reilly, 2007.