Cita APA (7th ed.)
Fry, C. G. (1969). Christianity's greatest challenge. Fellowship of Faith for the Moslems.
Cita Chicago (17th ed.)
Fry, C. George. Christianity's Greatest Challenge. Canada: Fellowship of Faith for the Moslems, 1969.
Cita MLA (9th ed.)
Fry, C. George. Christianity's Greatest Challenge. Fellowship of Faith for the Moslems, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.