Eco, U. (1977). A theory of semiotics / (by) Umberto Eco. Macmillan.
Chicago Edition CitationEco, Umberto. A Theory of Semiotics / (by) Umberto Eco. London (etc.): Macmillan, 1977.
MLA Edition CitationEco, Umberto. A Theory of Semiotics / (by) Umberto Eco. Macmillan, 1977.
Warning: These citations may not always be 100% accurate.