APA
Nichols P., . (1968). The Politics of the Vatican. New York Washington; London: Freerick A. Praeger, Publishers.
Chicago
Nichols Peter, . 1968. The Politics of the Vatican. New York Washington; London: Freerick A. Praeger, Publishers.
Harvard
Nichols P., . (1968). The Politics of the Vatican. New York Washington; London: Freerick A. Praeger, Publishers.
MLA
Nichols Peter, . The Politics of the Vatican. New York Washington; London: Freerick A. Praeger, Publishers. 1968.
