Citazione Stile APA (7a Edizione)

Gallagher, C. R. (2008). Vatican secret diplomacy: Joseph P. Hurley and Pope Pius XII. Yale University Press.

Citazione stile Chigago Style (17a edizione)

Gallagher, Charles R. Vatican Secret Diplomacy: Joseph P. Hurley and Pope Pius XII. New Haven: Yale University Press, 2008.

Citatione MLA (9a ed.)

Gallagher, Charles R. Vatican Secret Diplomacy: Joseph P. Hurley and Pope Pius XII. Yale University Press, 2008.