APA (7th ed.) Citation
Sebeok, T. A. (1991). A Sign is Just a Sign. Indiana University Press.
Chicago Style (17th ed.) Citation
Sebeok, Thomas A. A Sign Is Just a Sign. Bloomington: Indiana University Press, 1991.
MLA (9th ed.) Citation
Sebeok, Thomas A. A Sign Is Just a Sign. Indiana University Press, 1991.
Warning: These citations may not always be 100% accurate.