Cita APA (7th ed.)

Saramago, J. (1997). Blindness (First edition.). Harvest book.

Cita Chicago (17th ed.)

Saramago, José. Blindness. First edition. New York: Harvest book, 1997.

Cita MLA (9th ed.)

Saramago, José. Blindness. First edition. Harvest book, 1997.