APA (7th ed.) Zitazioa

Sebeok, T. A. (1991). A Sign is Just a Sign. Indiana University Press.

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

Sebeok, Thomas A. A Sign Is Just a Sign. Indiana University Press, 1991.