APA (7th ed.) Citation

Hartl, M. (2016). Ruby on Rails™ Tutorial: Learn Web Development with Rails, Fourth Edition (4th edition.). Addison-Wesley Professional.

Chicago Style (17th ed.) Citation

Hartl, Michael. Ruby on Rails™ Tutorial: Learn Web Development with Rails, Fourth Edition. 4th edition. Addison-Wesley Professional, 2016.

MLA (9th ed.) Citation

Hartl, Michael. Ruby on Rails™ Tutorial: Learn Web Development with Rails, Fourth Edition. 4th edition. Addison-Wesley Professional, 2016.

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