Cita APA (7a ed.)

Ignatius, o. L., Palmer, M. E., Padberg, J. W., & McCarthy, J. L. (2006). Letters and instructions. Institite of Jesuit Sources.

Cita Chicago Style (17a ed.)

Ignatius, of Loyola, Martin E. Palmer, John W. Padberg, y John L. McCarthy. Letters and Instructions. Saint Louis, Mo.: Institite of Jesuit Sources, 2006.

Cita MLA (8a ed.)

Ignatius, of Loyola, et al. Letters and Instructions. Institite of Jesuit Sources, 2006.