APA (7th ed.) Citation

(2013). Practical programming: An introduction to computer science using Python 3 / Paul Gries, Jennifer Campbell, Jason Montojo.

Chicago Style (17th ed.) Citation

Practical Programming: An Introduction to Computer Science Using Python 3 / Paul Gries, Jennifer Campbell, Jason Montojo. 2013.

MLA (9th ed.) Citation

Practical Programming: An Introduction to Computer Science Using Python 3 / Paul Gries, Jennifer Campbell, Jason Montojo. 2013.

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