APA (7th ed.) Citation
Paulus PP. VI. (1964). The christian in the material world (1 ed.). Helicon Press.
Chicago Style (17th ed.) Citation
Paulus PP. VI. The Christian in the Material World. 1 ed. Baltimore: Helicon Press, 1964.
MLA (9th ed.) Citation
Paulus PP. VI. The Christian in the Material World. 1 ed. Helicon Press, 1964.
Warning: These citations may not always be 100% accurate.