APA (7th ed.) Citation

Sérullaz, M., Pouillon, C., & Velázquez, D. (1987). Velázquez. H.N. Abrams.

Chicago Style (17th ed.) Citation

Sérullaz, Maurice, Christian Pouillon, and Diego Velázquez. Velázquez. New York: H.N. Abrams, 1987.

MLA (9th ed.) Citation

Sérullaz, Maurice, et al. Velázquez. H.N. Abrams, 1987.