APA (7th ed.) Citation

Ghéon, H., & Schmal, F. (1957). Der heilige Johannes Bosco. Schloz.

Chicago Style (17th ed.) Citation

Ghéon, Henri, and Franz Schmal. Der Heilige Johannes Bosco. Stuttgart Degerloch: Schloz, 1957.

MLA (9th ed.) Citation

Ghéon, Henri, and Franz Schmal. Der Heilige Johannes Bosco. Schloz, 1957.

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