APA (7th ed.) Citation

Schatz, K. (1994). Vaticanum I. Vaticanum I 1869 - 1870.

Chicago Style (17th ed.) Citation

Schatz, Klaus. "Vaticanum I." Vaticanum I 1869 - 1870 1994.

MLA (8th ed.) Citation

Schatz, Klaus. "Vaticanum I." Vaticanum I 1869 - 1870, 1994.

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