Gaya APA

Boff, L, O. (1981). God's witnesses in the heart of the world, transl. and ed.by Robert Fath, C.M.F. : Testigos de Dios en el Carazon del Mundo, 1977. . Chicago dsl: Claret for Resources.

Gaya MLA

Boff, Leonardo,, O.F.M.. "God's witnesses in the heart of the world, transl. and ed.by Robert Fath, C.M.F. : Testigos de Dios en el Carazon del Mundo, 1977. ". Chicago dsl: Claret for Resources, 1981. Buku.