APA (7th ed.) Citation

Lepper, M., & Widemann, B. T. y. Using d2d for Writing XML. Text Encoding Initiative Consortium.

Chicago Style (17th ed.) Citation

Lepper, Markus, and Baltasar Trancón y. Widemann. Using D2d for Writing XML. Text Encoding Initiative Consortium.

MLA (9th ed.) Citation

Lepper, Markus, and Baltasar Trancón y. Widemann. Using D2d for Writing XML. Text Encoding Initiative Consortium.

Warning: These citations may not always be 100% accurate.