Halpin, J. (1978). From Columbus to Cromwell: Ireland, England and Europe from about 1450 to 1660. Gill and Macmillan.
Citazione stile Chigago Style (17a edizione)Halpin, James. From Columbus to Cromwell: Ireland, England and Europe from About 1450 to 1660. Dublin: Gill and Macmillan, 1978.
Citatione MLA (9a ed.)Halpin, James. From Columbus to Cromwell: Ireland, England and Europe from About 1450 to 1660. Gill and Macmillan, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.