APA (7th ed.) Citation

Biffi, G. (1993). Io Credo ([10a ed.].). Jaca Book.

Chicago Style (17th ed.) Citation

Biffi, Giacomo. Io Credo. [10a ed.]. [Milano]: Jaca Book, 1993.

MLA (9th ed.) Citation

Biffi, Giacomo. Io Credo. [10a ed.]. Jaca Book, 1993.

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