Παραπομπή σε μορφή APA (7η εκδ.)

O'Connor, R. F., & Richelieu, A. J. d. P. (1912). His grey eminence: The true "Friar Joseph" of Bulwer Lytton's "Richelieu" : a historical study of the Capuchin, père Joseph Frano̜is Le Clerc du Tremblay. Dolphin Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Connor, Robert Francis, και Armand Jean du Plessis Richelieu. His Grey Eminence: The True "Friar Joseph" of Bulwer Lytton's "Richelieu" : A Historical Study of the Capuchin, Père Joseph Frano̜is Le Clerc Du Tremblay. Philadelphia: Dolphin Press, 1912.

Παραπομπή σε μορφή MLA (8th εκδ.)

O'Connor, Robert Francis, και Armand Jean du Plessis Richelieu. His Grey Eminence: The True "Friar Joseph" of Bulwer Lytton's "Richelieu" : A Historical Study of the Capuchin, Père Joseph Frano̜is Le Clerc Du Tremblay. Dolphin Press, 1912.