Citazione Stile APA (7a Edizione)

Grass, G. (1969). Speak out: Speeches, open letters, commentaries. Harcourt, Brace & World.

Citazione stile Chigago Style (17a edizione)

Grass, Günter. Speak Out: Speeches, Open Letters, Commentaries. New York,: Harcourt, Brace & World, 1969.

Citatione MLA (8a ed.)

Grass, Günter. Speak Out: Speeches, Open Letters, Commentaries. Harcourt, Brace & World, 1969.