Cita APA (7a ed.)

Pap, L. (1991). Semiotics, an integrative survey. Toronto Semiotic Circle.

Cita Chicago Style (17a ed.)

Pap, Leo. Semiotics, an Integrative Survey. Toronto: Toronto Semiotic Circle, 1991.

Cita MLA (9a ed.)

Pap, Leo. Semiotics, an Integrative Survey. Toronto Semiotic Circle, 1991.