Cita APA (7a ed.)

Hattingh, C. (2016). 20 Python libraries you aren't using (but should) (First edition.). O'Reilly Media.

Cita Chicago Style (17a ed.)

Hattingh, Caleb. 20 Python Libraries You Aren't Using (but Should). First edition. Sebastopiol, CA: O'Reilly Media, 2016.

Cita MLA (9a ed.)

Hattingh, Caleb. 20 Python Libraries You Aren't Using (but Should). First edition. O'Reilly Media, 2016.