APA (7th ed.) Citation

Gertrudis, S., & Emmanuel, D. (1919). Les exercices de Sainte Gertrude. Art. Catholique.

Chicago Style (17th ed.) Citation

Gertrudis, Santa, and Dom Emmanuel. Les Exercices De Sainte Gertrude. Paris: Art. Catholique, 1919.

MLA (9th ed.) Citation

Gertrudis, Santa, and Dom Emmanuel. Les Exercices De Sainte Gertrude. Art. Catholique, 1919.