Cita APA (7th ed.)

Nehls, G. (1987). Christians ask muslims. Evangelical Mission Press.

Cita Chicago (17th ed.)

Nehls, Gerhard. Christians Ask Muslims. Bellville: Evangelical Mission Press, 1987.

Cita MLA (9th ed.)

Nehls, Gerhard. Christians Ask Muslims. Evangelical Mission Press, 1987.