Cita APA (7a ed.)

Ward, A. (1987). The sources of the Roman Missal: : (1975). II, Prefaces. Libreria Editrice Vaticana.

Cita Chicago Style (17a ed.)

Ward, Anthony. The Sources of the Roman Missal: : (1975). II, Prefaces. Rome: Libreria Editrice Vaticana, 1987.

Cita MLA (9a ed.)

Ward, Anthony. The Sources of the Roman Missal: : (1975). II, Prefaces. Libreria Editrice Vaticana, 1987.