Citazione Stile APA (7a Edizione)
Hefley, J. C. (1969). By life or by death: Violence and martyrdom in this turbulent age. Zondervan Publishing House.
Citazione stile Chigago Style (17a edizione)
Hefley, James C. By Life or by Death: Violence and Martyrdom in This Turbulent Age. Grand Rapids: Zondervan Publishing House, 1969.
Citatione MLA (9a ed.)
Hefley, James C. By Life or by Death: Violence and Martyrdom in This Turbulent Age. Zondervan Publishing House, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.