Cita APA (7th ed.)

Arenas, R., & Koch, D. M. (1993). Before night falls. Penguin Books.

Cita Chicago (17th ed.)

Arenas, Reinaldo, i Dolores M. Koch. Before Night Falls. New York, United States of America: Penguin Books, 1993.

Cita MLA (9th ed.)

Arenas, Reinaldo, i Dolores M. Koch. Before Night Falls. Penguin Books, 1993.