APA
Barry W. F., . (1911). The papacy and modern times. London: Williams and Norgate.
Chicago
Barry William Francis, . 1911. The papacy and modern times. London: Williams and Norgate.
Harvard
Barry W. F., . (1911). The papacy and modern times. London: Williams and Norgate.
MLA
Barry William Francis, . The papacy and modern times. London: Williams and Norgate. 1911.