The popes and world government

MLA

Guerry, Emile-Maurice, Paul-Émile Léger, and Gregory J Röttger. The Popes and World Government. Baltimore: Helicon, 1964.

APA

Guerry, E., Léger, P., & Röttger, G. J. (1964). The popes and world government. Baltimore: Helicon.

Chicago

Guerry, Emile-Maurice, and Paul-Émile Léger. The Popes and World Government. Translated by Gregory J Röttger. Baltimore: Helicon, 1964.