Cite Them Right 11th edition - Harvard

Luke Sneeringer and Luke Sneeringer (2015) Professional Python.

Chicago Manual of Style 17th edition (full note)

Luke Sneeringer, and Luke Sneeringer. Professional Python.

American Psychological Association 7th edition

Luke Sneeringer, & Luke Sneeringer. (2015). Professional Python.

Modern Language Association 9th edition

Luke Sneeringer, and Luke Sneeringer. Professional Python. 2015.

ISO-690 (author-date, Deutsch)

LUKE SNEERINGER and LUKE SNEERINGER, 2015. Professional Python

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