Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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