APA (7th ed.) Citation

Gratry, A. J. A. (1870). Quatrieme Lettre. Paris.

Chicago Style (17th ed.) Citation

Gratry, Auguste Joseph Alphonse. Quatrieme Lettre. Paris, 1870.

MLA (8th ed.) Citation

Gratry, Auguste Joseph Alphonse. Quatrieme Lettre. Paris, 1870.

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