Cita APA (7a ed.)

Aston, E., & Savona, G. (1991). Theatre as sign-system: A semiotics of text and performance. Routledge.

Cita Chicago Style (17a ed.)

Aston, Elaine, y George Savona. Theatre as Sign-system: A Semiotics of Text and Performance. London ; New York: Routledge, 1991.

Cita MLA (9a ed.)

Aston, Elaine, y George Savona. Theatre as Sign-system: A Semiotics of Text and Performance. Routledge, 1991.