APA (7th ed.) Citation

Eco, U., & Szymanowski, A. (1990). O bibliotece. Ossolineum.

Chicago Style (17th ed.) Citation

Eco, Umberto, and Adam Szymanowski. O Bibliotece. Wroclaw: Ossolineum, 1990.

MLA (9th ed.) Citation

Eco, Umberto, and Adam Szymanowski. O Bibliotece. Ossolineum, 1990.

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