Cita APA (7a ed.)

Curtis, T., Dunn, D., Carson, C., Stevenson, A., O'Donoghue, B., Phillips, I., . . . Vendler, H. (2001). The Art of Seamus Heaney (4th ed.). Seren.

Cita Chicago Style (17a ed.)

Curtis, Tony, et al. The Art of Seamus Heaney. 4th ed. Wales: Seren, 2001.

Cita MLA (9a ed.)

Curtis, Tony, et al. The Art of Seamus Heaney. 4th ed. Seren, 2001.