Style de citation APA (7e éd.)

McCullough, M., Sandage, S. J., & Worthington, E. L. (1997). To forgive is human: How to put your past in the past. InterVarsity Press.

Style de citation Chicago (17e éd.)

McCullough, Michael, Steven J. Sandage, et Everett L. Worthington. To Forgive Is Human: How to Put Your Past in the Past. Downers Grove, Ill: InterVarsity Press, 1997.

Style de citation MLA (9e éd.)

McCullough, Michael, et al. To Forgive Is Human: How to Put Your Past in the Past. InterVarsity Press, 1997.