Schmid, P. (1931). Indulgences, What They Are and How They Can Be Gained. Chicago.
Chicago Style (17th ed.) CitationSchmid, Placid. Indulgences, What They Are and How They Can Be Gained. Chicago, 1931.
MLA (8th ed.) CitationSchmid, Placid. Indulgences, What They Are and How They Can Be Gained. Chicago, 1931.
Warning: These citations may not always be 100% accurate.