Gaya APA

The Pope and the People, select letters and addresses on social questions by Leo XIII, Pius X, Benedict XV and Pius XI, rev.ed. . (1950). London: CTS.

Gaya MLA

The Pope and the People, select letters and addresses on social questions by Leo XIII, Pius X, Benedict XV and Pius XI, rev.ed. . . London: CTS, 1950. Buku.