Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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