Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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