Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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