Cita APA (7a ed.)

Heaney, S. (1990). Selected poems: 1966-1987. Noonday.

Cita Chicago Style (17a ed.)

Heaney, Seamus. Selected Poems: 1966-1987. New York: Noonday, 1990.

Cita MLA (9a ed.)

Heaney, Seamus. Selected Poems: 1966-1987. Noonday, 1990.