Παραπομπή σε μορφή APA (7η εκδ.)

Hopkins, J. H., & Kenrick, F. P. (1843). A second letter to the Right Rev. Francis Patrick Kenrick, Roman Catholic Bishop of Philadelphia. (2nd ed.). Published by C. Goodrich. S. Fletcher, printer..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hopkins, John Henry, και Francis Patrick Kenrick. A Second Letter to the Right Rev. Francis Patrick Kenrick, Roman Catholic Bishop of Philadelphia. 2nd ed. Burlington, Vt:: Published by C. Goodrich. S. Fletcher, printer., 1843.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hopkins, John Henry, και Francis Patrick Kenrick. A Second Letter to the Right Rev. Francis Patrick Kenrick, Roman Catholic Bishop of Philadelphia. 2nd ed. Published by C. Goodrich. S. Fletcher, printer., 1843.