APA (7e ed.) Bronvermelding

Miller, D. F. (1938). Why and how to pray often. Liguorian Pamphlet Office.

Chicago (17e ed.) Bronvermelding

Miller, D. F. Why and How to Pray Often. Oconomowoc, Wis.: Liguorian Pamphlet Office, 1938.

MLA (8e ed.) Bronvermelding

Miller, D. F. Why and How to Pray Often. Liguorian Pamphlet Office, 1938.