Cita APA (7a ed.)

Safari Tech Books Online, Martelli, A., Martelli, A. C., & Ascher, D. C. (2002). Python cookbook (1st edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Safari Tech Books Online, Alex Martelli, Alex Contributor Martelli, y David Contributor Ascher. Python Cookbook. 1st edition. [Place of publication not identified]: O'Reilly, 2002.

Cita MLA (9a ed.)

Safari Tech Books Online, et al. Python Cookbook. 1st edition. O'Reilly, 2002.