Cita APA (7a ed.)

Zubiri, H. (1999). Digging into the bog: The travel of a nomad in Seamus Heaney's North. [s.n.].

Cita Chicago Style (17a ed.)

Zubiri, Harkaitz. Digging into the Bog: The Travel of a Nomad in Seamus Heaney's North. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Zubiri, Harkaitz. Digging into the Bog: The Travel of a Nomad in Seamus Heaney's North. [s.n.], 1999.