APA (7th ed.) Citation

Joan Pau I, p., & Vilaró, X. (1978). Les Cartes del Papa Luciani. Planeta.

Chicago Style (17th ed.) Citation

Joan Pau I, papa, and Xavier Vilaró. Les Cartes Del Papa Luciani. Barcelona: Planeta, 1978.

MLA (9th ed.) Citation

Joan Pau I, papa, and Xavier Vilaró. Les Cartes Del Papa Luciani. Planeta, 1978.

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