APA (7th ed.) Citation

Safari Tech Books Online & Lundh, F. A. (2001). Python standard library. O'Reilly.

Chicago Style (17th ed.) Citation

Safari Tech Books Online and Fredrik Author Lundh. Python Standard Library. [Place of publication not identified]: O'Reilly, 2001.

MLA (9th ed.) Citation

Safari Tech Books Online and Fredrik Author Lundh. Python Standard Library. O'Reilly, 2001.