Cita APA (7a ed.)

Ó Riain, P. (2008). A Martyrology of four cities: Metz, Cologne, Dublin, Lund. Henry bradshaw Society.

Cita Chicago Style (17a ed.)

Ó Riain, Pádraig. A Martyrology of Four Cities: Metz, Cologne, Dublin, Lund. London: Henry bradshaw Society, 2008.

Cita MLA (9a ed.)

Ó Riain, Pádraig. A Martyrology of Four Cities: Metz, Cologne, Dublin, Lund. Henry bradshaw Society, 2008.