Cita APA (7a ed.)

Hart, H. (1993). Seamus Heaney: Poet of contrary progressions. Syracuse University.

Cita Chicago Style (17a ed.)

Hart, Henry. Seamus Heaney: Poet of Contrary Progressions. Syracuse: Syracuse University, 1993.

Cita MLA (9a ed.)

Hart, Henry. Seamus Heaney: Poet of Contrary Progressions. Syracuse University, 1993.