APA (7th ed.) Citation

Lutz & Ascher. (1999). Learning python. O'Reilly.

Chicago Style (17th ed.) Citation

Lutz and Ascher. Learning Python. Beijing: O'Reilly, 1999.

MLA (9th ed.) Citation

Lutz and Ascher. Learning Python. O'Reilly, 1999.

Warning: These citations may not always be 100% accurate.