The history of the papacy in the XIXth century,
by Dr. Fredrik Nielsen. Translated under the direction of Arthur James Mason.
APA Citation
Nielsen, F., Mason, A. James. (1906). The history of the papacy in the XIXth century. London: J. Murray.
MLA Citation
Nielsen, Fredrik, 1846-1907, and Arthur James Mason. The History of the Papacy In the XIXth Century. London: J. Murray, 1906.
Warning: These citations may not always be complete (especially for serials).