Heaney, S. (1996). Preoccupations: Selected prose : 1968-1978. Noonday.
Cita Chicago Style (17a ed.)Heaney, Seamus. Preoccupations: Selected Prose : 1968-1978. New York: Noonday, 1996.
Cita MLA (9a ed.)Heaney, Seamus. Preoccupations: Selected Prose : 1968-1978. Noonday, 1996.
Precaución: Estas citas no son 100% exactas.