Cita APA (7th ed.)
Posterski, D. C. (1983). Why am I afraid to tell you I'm a Christian?: Witnessing Jesus' way. InterVarsity Press.
Cita Chicago (17th ed.)
Posterski, Donald C. Why Am I Afraid to Tell You I'm a Christian?: Witnessing Jesus' Way. Downers Grove, Ill.: InterVarsity Press, 1983.
Cita MLA (9th ed.)
Posterski, Donald C. Why Am I Afraid to Tell You I'm a Christian?: Witnessing Jesus' Way. InterVarsity Press, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.