Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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