MLA

Viaene, Vincent. Belgium and the Holy See From Gregory Xvi to Pius Ix (1831-1859). Leuven University Press, 2001.

APA

Viaene, V. (2001). Belgium and the Holy See from Gregory XVI to Pius IX (1831-1859). Leuven University Press.

Chicago

Viaene, Vincent Belgium and the Holy See From Gregory XVI to Pius IX (1831-1859). : Leuven University Press, 2001.