APA (7th ed.) Citation

McGavren, J. (2015). Head first Ruby. O'Reilly.

Chicago Style (17th ed.) Citation

McGavren, Jay. Head First Ruby. Beijing ; Boston ; Farnham ; Sebastopol ; Tokyo: O'Reilly, 2015.

MLA (9th ed.) Citation

McGavren, Jay. Head First Ruby. O'Reilly, 2015.

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