APA (7th ed.) Citation

Benguerel, X., Oliver, J., & Busquets i Grabulosa, L. (1999). Epistolari: Xavier Benguerel, Joan Oliver. Proa.

Chicago Style (17th ed.) Citation

Benguerel, Xavier, Joan Oliver, and Lluís Busquets i Grabulosa. Epistolari: Xavier Benguerel, Joan Oliver. Barcelona: Proa, 1999.

MLA (9th ed.) Citation

Benguerel, Xavier, et al. Epistolari: Xavier Benguerel, Joan Oliver. Proa, 1999.