Pius XII: Eugenio Pacelli : Pope of peace

MLA

Halecki, Oskar, and James F Murray. Pius Xii: Eugenio Pacelli : Pope of Peace. [New York]: Farrar, Straus and Young, 1954.

APA

Halecki, O., & Murray, J. F. (1954). Pius XII: Eugenio Pacelli : Pope of peace. [New York]: Farrar, Straus and Young.

Chicago

Halecki, Oskar, and James F. Murray. Pius XII: Eugenio Pacelli: Pope of Peace. [New York]: Farrar, Straus and Young, 1954.