Style de citation APA (7e éd.)

Matthys, J. (2015). Who is our mother of perpetual help? (First edition.). Liguori.

Style de citation Chicago (17e éd.)

Matthys, John. Who Is Our Mother of Perpetual Help? First edition. Liguori, MO: Liguori, 2015.

Style de citation MLA (8e éd.)

Matthys, John. Who Is Our Mother of Perpetual Help? First edition. Liguori, 2015.