Cita APA (7a ed.)

Somerset Fry, P. P., & Somerset Fry, F. (1988). A history of Ireland. Routledge.

Cita Chicago Style (17a ed.)

Somerset Fry, Peter Plantagenet, y Fiona Somerset Fry. A History of Ireland. London [etc.]: Routledge, 1988.

Cita MLA (9a ed.)

Somerset Fry, Peter Plantagenet, y Fiona Somerset Fry. A History of Ireland. Routledge, 1988.