APA (7e ed.) Bronvermelding

William Bentley Ball. The Catholic University of America, The American Catholic History Research Center and University Archives.

Chicago (17e ed.) Bronvermelding

William Bentley Ball. The Catholic University of America, The American Catholic History Research Center and University Archives.

MLA (8e ed.) Bronvermelding

William Bentley Ball. The Catholic University of America, The American Catholic History Research Center and University Archives.

Let op: Deze citaties zijn niet altijd 100% accuraat.