Cita APA (7th ed.)
Burson, S. R., & Walls, J. L. (1998). C.S. Lewis & Francis Schaeffer: Lessons for a new century from the most influential apologists of our time. InterVarsity Press.
Cita Chicago (17th ed.)
Burson, Scott R., i Jerry L. Walls. C.S. Lewis & Francis Schaeffer: Lessons for a New Century from the Most Influential Apologists of Our Time. Downers Grove, Ill: InterVarsity Press, 1998.
Cita MLA (9th ed.)
Burson, Scott R., i Jerry L. Walls. C.S. Lewis & Francis Schaeffer: Lessons for a New Century from the Most Influential Apologists of Our Time. InterVarsity Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.