APA (7th ed.) Citation

Algisi, L., & Giachi, A. (1960). Johannes XXIII. Hueber.

Chicago Style (17th ed.) Citation

Algisi, Leone, and Arianna Giachi. Johannes XXIII. München: Hueber, 1960.

MLA (8th ed.) Citation

Algisi, Leone, and Arianna Giachi. Johannes XXIII. Hueber, 1960.