Cita APA (7a ed.)

V. N., R. (2012). Everything you need to know about XML document type definitions (DTDs). BrainMass Inc..

Cita Chicago Style (17a ed.)

V. N., Rao. Everything You Need to Know About XML Document Type Definitions (DTDs). [Newmarket, Ontario]: BrainMass Inc., 2012.

Cita MLA (8a ed.)

V. N., Rao. Everything You Need to Know About XML Document Type Definitions (DTDs). BrainMass Inc., 2012.