APA (7th ed.) Citation

Eco, U., Dixon, R., & Guidall, G. (2011). The Prague cemetery. Recorded Books.

Chicago Style (17th ed.) Citation

Eco, Umberto, Richard Dixon, and George Guidall. The Prague Cemetery. Prince Frederick, MD: Recorded Books, 2011.

MLA (8th ed.) Citation

Eco, Umberto, et al. The Prague Cemetery. Recorded Books, 2011.

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