APA (7th ed.) Citation

Dudon, P. (1933). St Ignace de Loyola: Lettres spirituelles. "Éditions spes,".

Chicago Style (17th ed.) Citation

Dudon, Paul. St Ignace De Loyola: Lettres Spirituelles. Paris: "Éditions spes,", 1933.

MLA (8th ed.) Citation

Dudon, Paul. St Ignace De Loyola: Lettres Spirituelles. "Éditions spes,", 1933.