Cita APA (7a ed.)

DuCharme, B. (1999). XML: The annotated specification. Prentice-Hall PTR.

Cita Chicago Style (17a ed.)

DuCharme, Bob. XML: The Annotated Specification. Upper Saddle River, New Jersey: Prentice-Hall PTR, 1999.

Cita MLA (9a ed.)

DuCharme, Bob. XML: The Annotated Specification. Prentice-Hall PTR, 1999.