Cita APA (7a ed.)

Ivens, M. (1998). Understanding the Spiritual Exercises: Text and commentary, a handbook for retreat directors. Inigo Entreprises [etc.].

Cita Chicago Style (17a ed.)

Ivens, Michael. Understanding the Spiritual Exercises: Text and Commentary, a Handbook for Retreat Directors. New Malden (Surrey) [etc.]: Inigo Entreprises [etc.], 1998.

Cita MLA (9a ed.)

Ivens, Michael. Understanding the Spiritual Exercises: Text and Commentary, a Handbook for Retreat Directors. Inigo Entreprises [etc.], 1998.