O'donoghue , B. (2009). Cambridge companion to Seamus Heaney. Cambridge University Press.
Chicago Edition CitationO'donoghue , Bernard. Cambridge Companion to Seamus Heaney. U. K.: Cambridge University Press, 2009.
MLA Edition CitationO'donoghue , Bernard. Cambridge Companion to Seamus Heaney. Cambridge University Press, 2009.
Warning: These citations may not always be 100% accurate.