O'Higgins, B., & Ó Monacháin, A. (1955). The little book of the twelve promises: (the nine Fridays). published by Brian O'Híggins, 56 Parnell Square.
Citação do estilo Chicago (17ª ed.)O'Higgins, Brian, e Ailbhe Ó Monacháin. The Little Book of the Twelve Promises: (the Nine Fridays). Dublin: published by Brian O'Híggins, 56 Parnell Square, 1955.
Citação MLA (8ª ed.)O'Higgins, Brian, e Ailbhe Ó Monacháin. The Little Book of the Twelve Promises: (the Nine Fridays). published by Brian O'Híggins, 56 Parnell Square, 1955.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.