APA (7th ed.) Zitazioa

Grass, G. Headbirths or the germans are dying out. A Harvest/HBJ books.

Chicago Style (17th ed.) Zitazioa

Grass, Gunter. Headbirths or the Germans Are Dying Out. New York: A Harvest/HBJ books.

MLA (9th ed.) Zitazioa

Grass, Gunter. Headbirths or the Germans Are Dying Out. A Harvest/HBJ books.