Cita APA (7a ed.)

Sebeok, T. A. (1977). A perfusion of signs. Indiana University Press.

Cita Chicago Style (17a ed.)

Sebeok, Thomas A. A Perfusion of Signs. Bloomington: Indiana University Press, 1977.

Cita MLA (9a ed.)

Sebeok, Thomas A. A Perfusion of Signs. Indiana University Press, 1977.