American Psychological Association 6th edition

Hartl, M. [ca. 2015]. Ruby on rails tutorial : learn web development with Rails. In Safari Tech Books Online (Third edition) [Cd]. New York: Addison-Wesley.

ISO-690 (author-date, English)

HARTL, Michael, 2015. Ruby on rails tutorial : learn web development with Rails. Third edition. New York: Addison-Wesley. ISBN 9780134077734.

Modern Language Association 9th edition

Hartl, M. “Ruby on rails tutorial : learn web development with Rails”. Safari Tech Books Online, Third edition, cd, Addison-Wesley, 2015.

Mohr Siebeck - Recht (Deutsch - Österreich)

Hartl, Michael: Ruby on rails tutorial : learn web development with Rails, Third edition. ed. New York 2015.

Emerald - Harvard

Hartl, M. (2015), Ruby on rails tutorial : learn web development with Rails, Safari Tech Books Online, Third edition., Vol. , Addison-Wesley, New York.

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