APA (7th ed.) Citation

O'Brien, G. (1919). The economic history of Ireland in the seventeenth century. Maunsel.

Chicago Style (17th ed.) Citation

O'Brien, George. The Economic History of Ireland in the Seventeenth Century. Dublin London: Maunsel, 1919.

MLA (9th ed.) Citation

O'Brien, George. The Economic History of Ireland in the Seventeenth Century. Maunsel, 1919.