APA-viite (7. p.)

Tietjen, M. L. (1976). The Bethlehem tree: A family Advent resource book. Paulist Press.

Chicago-viite (17. p.)

Tietjen, Mary Louise. The Bethlehem Tree: A Family Advent Resource Book. New York: Paulist Press, 1976.

MLA-viite (8. p.)

Tietjen, Mary Louise. The Bethlehem Tree: A Family Advent Resource Book. Paulist Press, 1976.