APA (7th ed.) Citation

Lutz, M., & Ascher, D. (2008). Learning Python (3rd ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Lutz, Mark, and David Ascher. Learning Python. 3rd ed. Sebastopol, CA: O'Reilly, 2008.

MLA (9th ed.) Citation

Lutz, Mark, and David Ascher. Learning Python. 3rd ed. O'Reilly, 2008.