Cita APA (7a ed.)

Heaney, S. (1996). The spirit level (1st American ed.). Farrar, Straus, Giroux.

Cita Chicago Style (17a ed.)

Heaney, Seamus. The Spirit Level. 1st American ed. New York: Farrar, Straus, Giroux, 1996.

Cita MLA (8a ed.)

Heaney, Seamus. The Spirit Level. 1st American ed. Farrar, Straus, Giroux, 1996.

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