APA (7th ed.) Citation

Schatz, K. (1992). Vaticanum I. Vaticanum I 1869 - 1870.

Chicago Style (17th ed.) Citation

Schatz, Klaus. "Vaticanum I." Vaticanum I 1869 - 1870 1992.

MLA (8th ed.) Citation

Schatz, Klaus. "Vaticanum I." Vaticanum I 1869 - 1870, 1992.

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