APA (7th ed.) Citation

Blet, P. e. (1965). Records and documents of the Holy See relating to the Second World War (Original ed.). Corpus Books.

Chicago Style (17th ed.) Citation

Blet, Pierre ed. Records and Documents of the Holy See Relating to the Second World War. Original ed. Washington: Corpus Books, 1965.

MLA (9th ed.) Citation

Blet, Pierre ed. Records and Documents of the Holy See Relating to the Second World War. Original ed. Corpus Books, 1965.