APA (7th ed.) Citation

Saramago, J., & Costa, M. J. (2000). The tale of the unknown island. Harvest book.

Chicago Style (17th ed.) Citation

Saramago, José, and Margaret Jull Costa. The Tale of the Unknown Island. New York: Harvest book, 2000.

MLA (9th ed.) Citation

Saramago, José, and Margaret Jull Costa. The Tale of the Unknown Island. Harvest book, 2000.