Cita APA

Werfel, F., & Dunlop, G. (1934). The forty days. Jarrolds.

Citación estilo Chicago

Werfel, Franz, y Geoffrey Dunlop. The Forty Days. London: Jarrolds, 1934.

Cita MLA

Werfel, Franz, y Geoffrey Dunlop. The Forty Days. Jarrolds, 1934.