APA (7th ed.) Citation

Eco, U. (1979). A theory of semiotics (1. Midland book ed.). Indiana Univ. Press.

Chicago Style (17th ed.) Citation

Eco, Umberto. A Theory of Semiotics. 1. Midland book ed. Bloomington, Ind. u.a: Indiana Univ. Press, 1979.

MLA (9th ed.) Citation

Eco, Umberto. A Theory of Semiotics. 1. Midland book ed. Indiana Univ. Press, 1979.