APA-referens (7:e uppl.)

Paul VI, P. (1968). 1967 Christmas message ; 1968 New Year's Day message; [and] Prayer for peace. United States Catholic Conference.

Chicago-referens (17:e uppl.)

Paul VI, Pope. 1967 Christmas Message ; 1968 New Year's Day Message; [and] Prayer for Peace. [Washington, DC]: United States Catholic Conference, 1968.

MLA-referens (8:e uppl.)

Paul VI, Pope. 1967 Christmas Message ; 1968 New Year's Day Message; [and] Prayer for Peace. United States Catholic Conference, 1968.