APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

O'Connor, Robert Francis, en 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.

MLA (8e ed.) Bronvermelding

O'Connor, Robert Francis, en 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.