Cita APA (7th ed.)
Hefley, J. C. (1969). By life or by death: Violence and martyrdom in this turbulent age. Zondervan Publishing House.
Cita Chicago (17th ed.)
Hefley, James C. By Life or by Death: Violence and Martyrdom in This Turbulent Age. Grand Rapids: Zondervan Publishing House, 1969.
Cita MLA (9th ed.)
Hefley, James C. By Life or by Death: Violence and Martyrdom in This Turbulent Age. Zondervan Publishing House, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.