APA (7th ed.) Citation

Pius, P. C. C. P. (1943). Pius XII and Peace, 1939-1943, Excerpts From Selected Messages. Washington, D.C..

Chicago Style (17th ed.) Citation

Pius, Pope; Catholic Church. Pope. Pius XII and Peace, 1939-1943, Excerpts From Selected Messages. Washington, D.C., 1943.

MLA (8th ed.) Citation

Pius, Pope; Catholic Church. Pope. Pius XII and Peace, 1939-1943, Excerpts From Selected Messages. Washington, D.C., 1943.

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