Style de citation APA

Grass, G., & Heim, M. H. (1999). My century. Harcourt Inc.

Style de citation Chicago

Grass, Gunter, et Michael Henry Heim. My Century. New York: Harcourt Inc, 1999.

Style de citation MLA

Grass, Gunter, et Michael Henry Heim. My Century. Harcourt Inc, 1999.