APA (7th ed.) Citation

O'Brien, M., & O'Brien, C. C. (1972). A concise history of Ireland. Thames and Hudson.

Chicago Style (17th ed.) Citation

O'Brien, M�aire, and Conor Cruise O'Brien. A Concise History of Ireland. London: Thames and Hudson, 1972.

MLA (9th ed.) Citation

O'Brien, M�aire, and Conor Cruise O'Brien. A Concise History of Ireland. Thames and Hudson, 1972.

Warning: These citations may not always be 100% accurate.