APA (7th ed.) Citation

Pío X , P. .. (1993). San Fidel de Sigmaringen: : Protomártir de Propaganda Fide.

Chicago Style (17th ed.) Citation

Pío X , Papa. San Fidel De Sigmaringen: : Protomártir De Propaganda Fide. 1993.

MLA (9th ed.) Citation

Pío X , Papa. San Fidel De Sigmaringen: : Protomártir De Propaganda Fide. 1993.

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