APA (7th ed.) Citation

Ignasi, d. L., & Roothaan, J. (1920). Exercitia spiritualia SP Ignatii de Loyola: Versio litterasis ex autographo hispánico (Editio altera.). Fridericus Pustet.

Chicago Style (17th ed.) Citation

Ignasi, de Loiola, and Joanne Roothaan. Exercitia Spiritualia SP Ignatii De Loyola: Versio Litterasis Ex Autographo Hispánico. Editio altera. Ratisbonae: Fridericus Pustet, 1920.

MLA (9th ed.) Citation

Ignasi, de Loiola, and Joanne Roothaan. Exercitia Spiritualia SP Ignatii De Loyola: Versio Litterasis Ex Autographo Hispánico. Editio altera. Fridericus Pustet, 1920.

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