Cita APA (7a ed.)

Werfel, F., & Newmark, M. (1944). Between heaven and earth (First printing.). Philosophical Library.

Cita Chicago Style (17a ed.)

Werfel, Franz, y Maxim Newmark. Between Heaven and Earth. First printing. New York: Philosophical Library, 1944.

Cita MLA (9a ed.)

Werfel, Franz, y Maxim Newmark. Between Heaven and Earth. First printing. Philosophical Library, 1944.