Cita APA (7a ed.)

Ponzio, A., & Petrilli, S. (1993). Signs, dialogue and ideology. John Benjamins.

Cita Chicago Style (17a ed.)

Ponzio, Augusto, y Susan Petrilli. Signs, Dialogue and Ideology. Amsterdam [etc.]: John Benjamins, 1993.

Cita MLA (9a ed.)

Ponzio, Augusto, y Susan Petrilli. Signs, Dialogue and Ideology. John Benjamins, 1993.