APA (7th ed.) Citation

Eco, U. (1981). <O >signo. Presença.

Chicago Style (17th ed.) Citation

Eco, Umberto. <O >signo. Presença, 1981.

MLA (8th ed.) Citation

Eco, Umberto. <O >signo. Presença, 1981.

Warning: These citations may not always be 100% accurate.