APA (7th ed.) Citation

Blouin, F. X. (1998). Vatican archives: An inventory and guide to historical documents of the Holy See. Oxford University Press.

Chicago Style (17th ed.) Citation

Blouin, Francis X. Vatican Archives: An Inventory and Guide to Historical Documents of the Holy See. New York [u.a.]: Oxford University Press, 1998.

MLA (9th ed.) Citation

Blouin, Francis X. Vatican Archives: An Inventory and Guide to Historical Documents of the Holy See. Oxford University Press, 1998.