Cita APA (7a ed.)

Kerr, D. A. (1993). The challenge of Islamic fundamentalism for Christians. [s.n.].

Cita Chicago Style (17a ed.)

Kerr, David A. The Challenge of Islamic Fundamentalism for Christians. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Kerr, David A. The Challenge of Islamic Fundamentalism for Christians. [s.n.], 1993.