APA (7th ed.) Citation

Nikodim & Hotz, R. (1978). Johannes XXIII: Ein unbequemer Optimist. Benziger.

Chicago Style (17th ed.) Citation

Nikodim and Robert Hotz. Johannes XXIII: Ein Unbequemer Optimist. Zürich [etc.]: Benziger, 1978.

MLA (9th ed.) Citation

Nikodim and Robert Hotz. Johannes XXIII: Ein Unbequemer Optimist. Benziger, 1978.

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