Cita APA

Grass, G., & Manhaim, R. (1969). Dog years. Penguin.

Citación estilo Chicago

Grass, Gunter, y Ralph Manhaim. Dog Years. Middlesex: Penguin, 1969.

Cita MLA

Grass, Gunter, y Ralph Manhaim. Dog Years. Penguin, 1969.