APA (7th ed.) Citation

Humbert, M., & Benet, R. (1985). Manuel Humbert. Edicions d'Ara [etc.].

Chicago Style (17th ed.) Citation

Humbert, Manuel, and Rafael Benet. Manuel Humbert. Barcelona [etc.]: Edicions d'Ara [etc.], 1985.

MLA (9th ed.) Citation

Humbert, Manuel, and Rafael Benet. Manuel Humbert. Edicions d'Ara [etc.], 1985.