Cite Them Right 11th edition - Harvard

Paul Barry und Paul Barry (2010) Head First Python : A Brain-Friendly Guide.

Chicago Manual of Style 17th edition (full note)

Paul Barry, und Paul Barry. Head First Python : A Brain-Friendly Guide.

American Psychological Association 7th edition

Paul Barry, & Paul Barry. (2010). Head First Python : A Brain-Friendly Guide.

Modern Language Association 9th edition

Paul Barry, und Paul Barry. Head First Python : A Brain-Friendly Guide. 2010.

ISO-690 (author-date, Deutsch)

PAUL BARRY und PAUL BARRY, 2010. Head First Python : A Brain-Friendly Guide

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.