Cita APA (7a ed.)

Humble, M., & Furness, R. (1993). Introduction to German literature, 1871-1990. St. Martin's Press.

Cita Chicago Style (17a ed.)

Humble, Malcolm, y Raymond Furness. Introduction to German Literature, 1871-1990. New York: St. Martin's Press, 1993.

Cita MLA (9a ed.)

Humble, Malcolm, y Raymond Furness. Introduction to German Literature, 1871-1990. St. Martin's Press, 1993.