APA
Pichon C., . (1960). Le Vatican. Paris: Librairie Arthème Fayard.
Chicago
Pichon Charles, . 1960. Le Vatican. Paris: Librairie Arthème Fayard.
Harvard
Pichon C., . (1960). Le Vatican. Paris: Librairie Arthème Fayard.
MLA
Pichon Charles, . Le Vatican. Paris: Librairie Arthème Fayard. 1960.
