Cita APA

Eco, U. (1976). A Theory of Semiotics. Indiana University press.

Citación estilo Chicago

Eco, Umberto. A Theory of Semiotics. London: Indiana University press, 1976.

Cita MLA

Eco, Umberto. A Theory of Semiotics. Indiana University press, 1976.

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