Cita APA (7a ed.)

Stein, M., & Dellwig, I. (2002). XML. Addison-Wesley.

Cita Chicago Style (17a ed.)

Stein, Magnus, y Ingo Dellwig. XML. Boston [etc.]: Addison-Wesley, 2002.

Cita MLA (9a ed.)

Stein, Magnus, y Ingo Dellwig. XML. Addison-Wesley, 2002.