APA (7th ed.) Citation

Powell, J. E. (2015). Best practices in Python: Built-in data types. Infinite Skills.

Chicago Style (17th ed.) Citation

Powell, James E. Best Practices in Python: Built-in Data Types. [Place of publication not identified]: Infinite Skills, 2015.

MLA (8th ed.) Citation

Powell, James E. Best Practices in Python: Built-in Data Types. Infinite Skills, 2015.