Cita APA (7a ed.)
Heaney, S. Seeing Things. Noonday.
Cita estilo Chicago (17a ed.)
Heaney, Seamus. Seeing Things. Nueva York, EUA: Noonday.
Cita MLA (9a ed.)
Heaney, Seamus. Seeing Things. Noonday.
Precaución: Estas citas no son 100% exactas.