APA (7th ed.) Citation

Eco, U., & Weaver, W. (1995). The island of the day before. Harcourt Brace & Co.

Chicago Style (17th ed.) Citation

Eco, Umberto, and William Weaver. The Island of the Day Before. New York: Harcourt Brace & Co, 1995.

MLA (9th ed.) Citation

Eco, Umberto, and William Weaver. The Island of the Day Before. Harcourt Brace & Co, 1995.