APA (7th ed.) Citation

Letters from G. F. de' Conti Guidi di Bagno, in Brussels, to Cardinal Ludovisi and Cardinal Barberini, in favour of the Abbot of Mayo, (Mac Morris?), concerning a book written by Fr. P. O'Sullivan, Mary Stuart O'Donnell, the Earls of Tyrone and Tyrconnel, etc., 1621-7.

Chicago Style (17th ed.) Citation

Letters from G. F. De' Conti Guidi Di Bagno, in Brussels, to Cardinal Ludovisi and Cardinal Barberini, in Favour of the Abbot of Mayo, (Mac Morris?), Concerning a Book Written by Fr. P. O'Sullivan, Mary Stuart O'Donnell, the Earls of Tyrone and Tyrconnel, Etc., 1621-7.

MLA (9th ed.) Citation

Letters from G. F. De' Conti Guidi Di Bagno, in Brussels, to Cardinal Ludovisi and Cardinal Barberini, in Favour of the Abbot of Mayo, (Mac Morris?), Concerning a Book Written by Fr. P. O'Sullivan, Mary Stuart O'Donnell, the Earls of Tyrone and Tyrconnel, Etc., 1621-7.

Warning: These citations may not always be 100% accurate.