Cita APA (7th ed.)
Christensen, J. (1977). The practical approach to Muslims. The North Africa Mission.
Cita Chicago (17th ed.)
Christensen, Jens. The Practical Approach to Muslims. France: The North Africa Mission, 1977.
Cita MLA (9th ed.)
Christensen, Jens. The Practical Approach to Muslims. The North Africa Mission, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.