Cita APA (7a ed.)
Howard, M. D. (1971). Why world evangelism? InterVarsity Press.
Cita Chicago Style (17a ed.)
Howard, M. David. Why World Evangelism? Downers Grove: InterVarsity Press, 1971.
Cita MLA (9a ed.)
Howard, M. David. Why World Evangelism? InterVarsity Press, 1971.
Precaución: Estas citas no son 100% exactas.