APA (7th ed.) Citation

Vian, N., & Matt, L. v. (1954). Pius X. Echter Verlag.

Chicago Style (17th ed.) Citation

Vian, Nello, and Leonard von Matt. Pius X. Würzburg: Echter Verlag, 1954.

MLA (9th ed.) Citation

Vian, Nello, and Leonard von Matt. Pius X. Echter Verlag, 1954.

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