APA (7th ed.) Citation

Graham, R. A. (1952). Diplomatic Relations With the Vatican. New York.

Chicago Style (17th ed.) Citation

Graham, Robert A. Diplomatic Relations With the Vatican. New York, 1952.

MLA (8th ed.) Citation

Graham, Robert A. Diplomatic Relations With the Vatican. New York, 1952.

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