Cita APA (7a ed.)

Vendler, H. (1998). Seamus Heaney. Harvard University.

Cita Chicago Style (17a ed.)

Vendler, Helen. Seamus Heaney. Cambridge: Harvard University, 1998.

Cita MLA (9a ed.)

Vendler, Helen. Seamus Heaney. Harvard University, 1998.