Cite Them Right 11th edition - Harvard

Ophir Frieder, Gideon Frieder, David Grossman, Ophir Frieder, Gideon Frieder und David Grossman (2013) Computer Science Programming Basics in Ruby : Exploring Concepts and Curriculum with Ruby.

Chicago Manual of Style 17th edition (full note)

Ophir Frieder, Gideon Frieder, David Grossman, Ophir Frieder, Gideon Frieder, und David Grossman. Computer Science Programming Basics in Ruby : Exploring Concepts and Curriculum with Ruby.

American Psychological Association 7th edition

Ophir Frieder, Gideon Frieder, David Grossman, Ophir Frieder, Gideon Frieder, & David Grossman. (2013). Computer Science Programming Basics in Ruby : Exploring Concepts and Curriculum with Ruby.

Modern Language Association 9th edition

Ophir Frieder, Gideon Frieder, David Grossman, Ophir Frieder, Gideon Frieder, und David Grossman. Computer Science Programming Basics in Ruby : Exploring Concepts and Curriculum with Ruby. 2013.

ISO-690 (author-date, Deutsch)

OPHIR FRIEDER, GIDEON FRIEDER, DAVID GROSSMAN, OPHIR FRIEDER, GIDEON FRIEDER und DAVID GROSSMAN, 2013. Computer Science Programming Basics in Ruby : Exploring Concepts and Curriculum with Ruby

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