APA (7th ed.) Citation

Velázquez, D., & Portus Pérez, J. (2004). Velázquez. Unidad Editorial.

Chicago Style (17th ed.) Citation

Velázquez, Diego, and Javier Portus Pérez. Velázquez. Madrid: Unidad Editorial, 2004.

MLA (9th ed.) Citation

Velázquez, Diego, and Javier Portus Pérez. Velázquez. Unidad Editorial, 2004.

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