APA (7th ed.) Citation

Ignacio de Loyola , S. (1615). Directorium in exercititia spiritualia. in Collegio Romano eiusdem Societatis.

Chicago Style (17th ed.) Citation

Ignacio de Loyola , Santo. Directorium in Exercititia Spiritualia. Romae: in Collegio Romano eiusdem Societatis, 1615.

MLA (9th ed.) Citation

Ignacio de Loyola , Santo. Directorium in Exercititia Spiritualia. in Collegio Romano eiusdem Societatis, 1615.

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