APA (7th ed.) Citation

Martelli, A. (2003). Python in a nutshell. O'Reilly.

Chicago Style (17th ed.) Citation

Martelli, Alex. Python in a Nutshell. Beijing ; Sebastopol, CA: O'Reilly, 2003.

MLA (8th ed.) Citation

Martelli, Alex. Python in a Nutshell. O'Reilly, 2003.