APA (7th ed.) Citation
Barry, P. Head First Python: A Brain-Friendly Guide (2a edición.). O'Reilly.
Chicago Style (17th ed.) Citation
Barry, Paul. Head First Python: A Brain-Friendly Guide. 2a edición. Sebastopol, EUA: O'Reilly.
MLA (9th ed.) Citation
Barry, Paul. Head First Python: A Brain-Friendly Guide. 2a edición. O'Reilly.
Warning: These citations may not always be 100% accurate.