Cita APA (7a ed.)
Powell, T. (2003). Html and xhtml: The complete reference (4th ed.). Tata McGraw-Hill.
Cita Chicago Style (17a ed.)
Powell, Thomas. Html and Xhtml: The Complete Reference. 4th ed. New Delhi: Tata McGraw-Hill, 2003.
Cita MLA (9a ed.)
Powell, Thomas. Html and Xhtml: The Complete Reference. 4th ed. Tata McGraw-Hill, 2003.
Precaución: Estas citas no son 100% exactas.