APA (7th ed.) Citation

O'Donoghue, B. (2009). The Cambridge companion to Seamus Heaney. Cambridge University Press.

Chicago Style (17th ed.) Citation

O'Donoghue, Bernard. The Cambridge Companion to Seamus Heaney. Cambridge, UK ; New York: Cambridge University Press, 2009.

MLA (9th ed.) Citation

O'Donoghue, Bernard. The Cambridge Companion to Seamus Heaney. Cambridge University Press, 2009.