APA (7th ed.) Citation

Bertrand, M. Avant-propos. Casa de Velázquez.

Chicago Style (17th ed.) Citation

Bertrand, Michel. Avant-propos. Casa de Velázquez.

MLA (9th ed.) Citation

Bertrand, Michel. Avant-propos. Casa de Velázquez.

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