Indulgences as a social factor in the middle ages,
by Nikolaus Paulus, tr. by J. Elliot Ross, with a foreword by Eugene C. Barker.

APA Citation

Paulus, N., Ross, J. Elliot (John Elliot). (1922). Indulgences as a social factor in the middle ages. New York: The Devin-Adair company.

MLA Citation

Paulus, Nikolaus, 1853-1930, and J. Elliot (John Elliot) Ross. Indulgences As a Social Factor In the Middle Ages. New York: The Devin-Adair company, 1922.

Warning: These citations may not always be complete (especially for serials).