APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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