Cita APA (7a ed.)

Hartl, M. (2015). Ruby on rails tutorial: Learn web development with Rails (Third edition.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Hartl, Michael. Ruby on Rails Tutorial: Learn Web Development with Rails. Third edition. New York: Addison-Wesley, 2015.

Cita MLA (9a ed.)

Hartl, Michael. Ruby on Rails Tutorial: Learn Web Development with Rails. Third edition. Addison-Wesley, 2015.