Παραπομπή σε μορφή APA (7η εκδ.)

Clapp, R. (1993). Families at the crossroads: Beyond traditional & modern options. InterVarsity Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clapp, Rodney. Families at the Crossroads: Beyond Traditional & Modern Options. Downers Grove, Ill., USA: InterVarsity Press, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Clapp, Rodney. Families at the Crossroads: Beyond Traditional & Modern Options. InterVarsity Press, 1993.