Cita APA

Grass, G., & Manheim, R. (1992). call of the toad. Vintage.

Citación estilo Chicago

Grass, Gunter, y Ralph Manheim. Call of the Toad. London: Vintage, 1992.

Cita MLA

Grass, Gunter, y Ralph Manheim. Call of the Toad. Vintage, 1992.