APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Grass, Gunter, and Michael Henry Heim. My Century. Harcourt, 1999.