APA (7th ed.) Citation

Harold, E. R., & Means, W. S. (2001). XML in a nutshell: A desktop quick reference. O'Reilly.

Chicago Style (17th ed.) Citation

Harold, Elliotte Rusty, and W. Scott Means. XML in a Nutshell: A Desktop Quick Reference. Beijing: O'Reilly, 2001.

MLA (9th ed.) Citation

Harold, Elliotte Rusty, and W. Scott Means. XML in a Nutshell: A Desktop Quick Reference. O'Reilly, 2001.