Cita APA

Sebeok, T. A. (1991). A sign is just a sign. Indiana University Press..

Citación estilo Chicago

Sebeok, Thomas A. A Sign Is Just a Sign. Bloomington, U.s.a.: Indiana University Press., 1991.

Cita MLA

Sebeok, Thomas A. A Sign Is Just a Sign. Bloomington, U.s.a.: Indiana University Press., 1991.