Cita APA (7a ed.)

Ray, E. T. (2003). Learning XML (Second edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Ray, Erik T. Learning XML. Second edition. Beijing ; Cambridge: O'Reilly, 2003.

Cita MLA (8a ed.)

Ray, Erik T. Learning XML. Second edition. O'Reilly, 2003.