Style de citation APA (7e éd.)

Mariani, P. L. (2001). Thirty days: On retreat with the Exercises of St. Ignatius. Viking Compass.

Style de citation Chicago (17e éd.)

Mariani, Paul L. Thirty Days: On Retreat with the Exercises of St. Ignatius. New York: Viking Compass, 2001.

Style de citation MLA (8e éd.)

Mariani, Paul L. Thirty Days: On Retreat with the Exercises of St. Ignatius. Viking Compass, 2001.