(1931). May letters: An exercise of devotion to the Blessed Virgin, suitable for May and for all Saturdays and feasts of Our Blessed Lady (6th ed.). Office of the Irish Messenger.
Citação do estilo Chicago (17ª ed.)May Letters: An Exercise of Devotion to the Blessed Virgin, Suitable for May and for All Saturdays and Feasts of Our Blessed Lady. 6th ed. Dublin: Office of the Irish Messenger, 1931.
Citação MLA (8ª ed.)May Letters: An Exercise of Devotion to the Blessed Virgin, Suitable for May and for All Saturdays and Feasts of Our Blessed Lady. 6th ed. Office of the Irish Messenger, 1931.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.