APA Format
Arnold, John Muehleisen. ([1925].).
Islam : its history, character, and relation to Christianity / by John Muehleisen Arnold
. 's-Gravenhage :: W.P. Van Stockum & Zoon,.
MLA Format
Arnold, John Muehleisen.
Islam : its history, character, and relation to Christianity / by John Muehleisen Arnold
. 's-Gravenhage :: W.P. Van Stockum & Zoon,, [1925].
Chicago Format
Arnold, John Muehleisen. Islam : its history, character, and relation to Christianity / by John Muehleisen Arnold. 's-Gravenhage :: W.P. Van Stockum & Zoon,, [1925]..