Παραπομπή σε μορφή APA (7η εκδ.)

Paul Philips Cooke. The Catholic University of America, The American Catholic History Research Center and University Archives.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Paul Philips Cooke. The Catholic University of America, The American Catholic History Research Center and University Archives.

Παραπομπή σε μορφή MLA (8th εκδ.)

Paul Philips Cooke. The Catholic University of America, The American Catholic History Research Center and University Archives.