Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Grass, Gunter, e Ralph Manheim. Speak Out: Speeches, Open Letters, Commentaries. New York: Harcourt, 1969.

Citatione MLA (9a ed.)

Grass, Gunter, e Ralph Manheim. Speak Out: Speeches, Open Letters, Commentaries. Harcourt, 1969.