APA Edition Citation

Eco Umberto. (1977). A Theory Of Semiotics. Macmillan Company.

Chicago Edition Citation

Eco Umberto. A Theory Of Semiotics. New York: Macmillan Company, 1977.

MLA Edition Citation

Eco Umberto. A Theory Of Semiotics. Macmillan Company, 1977.

Warning: These citations may not always be 100% accurate.