Cita APA (7th ed.)
Paulus PP. VI. (1964). The christian in the material world (1 ed.). Helicon Press.
Cita Chicago (17th ed.)
Paulus PP. VI. The Christian in the Material World. 1 ed. Baltimore: Helicon Press, 1964.
Cita MLA (9th ed.)
Paulus PP. VI. The Christian in the Material World. 1 ed. Helicon Press, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.