APA (7th ed.) Citation

Ignatius, o. L. (1644). Exercitia spiritvalia S. P. Ignatii Loyolæ. E Typographia Regia.

Chicago Style (17th ed.) Citation

Ignatius, of Loyola. Exercitia Spiritvalia S. P. Ignatii Loyolæ. Parisiis: E Typographia Regia, 1644.

MLA (8th ed.) Citation

Ignatius, of Loyola. Exercitia Spiritvalia S. P. Ignatii Loyolæ. E Typographia Regia, 1644.

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