Link, M. J. (1993). Challenge 2000: A daily meditation program based on The Spiritual Exercises of Saint Ignatius. Tabor Publishing.
Chicago Style (17th ed.) CitationLink, Mark J. Challenge 2000: A Daily Meditation Program Based on The Spiritual Exercises of Saint Ignatius. Allen, Texas: Tabor Publishing, 1993.
MLA (8th ed.) CitationLink, Mark J. Challenge 2000: A Daily Meditation Program Based on The Spiritual Exercises of Saint Ignatius. Tabor Publishing, 1993.
Warning: These citations may not always be 100% accurate.