Cita APA (7a ed.)

Cowan, M. a., & Carroll Futrell, J. 1. a. (2000). Companions in Grace: A handbook for directors of the Spiritual Exercises of Saint Ignatius of Loyola. The Institute of Jesuit Sources.

Cita Chicago Style (17a ed.)

Cowan, Marian autor, y John 1928?2008 autor Carroll Futrell. Companions in Grace: A Handbook for Directors of the Spiritual Exercises of Saint Ignatius of Loyola. Saint Louis: The Institute of Jesuit Sources, 2000.

Cita MLA (9a ed.)

Cowan, Marian autor, y John 1928?2008 autor Carroll Futrell. Companions in Grace: A Handbook for Directors of the Spiritual Exercises of Saint Ignatius of Loyola. The Institute of Jesuit Sources, 2000.