APA (7th ed.) Citation

Foster, R. F. (1988). Modern Ireland, 1600-1972. Penguin Books.

Chicago Style (17th ed.) Citation

Foster, R. F. Modern Ireland, 1600-1972. New York: Penguin Books, 1988.

MLA (9th ed.) Citation

Foster, R. F. Modern Ireland, 1600-1972. Penguin Books, 1988.

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