APA (7th ed.) Citation

Roothaan, J. P. (1928). EXERCITIA spiritualia sancti Patris Ignatii de Loyola. Marietti, ed.

Chicago Style (17th ed.) Citation

Roothaan, Joannes Philippus. EXERCITIA Spiritualia Sancti Patris Ignatii De Loyola. Taurini: Marietti, ed, 1928.

MLA (9th ed.) Citation

Roothaan, Joannes Philippus. EXERCITIA Spiritualia Sancti Patris Ignatii De Loyola. Marietti, ed, 1928.

Warning: These citations may not always be 100% accurate.