Buttel, R. (1975). Seamus Heaney. Bucknell Univ. Press.
Chicago Style (17th ed.) CitationButtel, Robert. Seamus Heaney. Lewisburg: Bucknell Univ. Press, 1975.
MLA (9th ed.) CitationButtel, Robert. Seamus Heaney. Bucknell Univ. Press, 1975.
Warning: These citations may not always be 100% accurate.