APA (7th ed.) Citation

Gregorio Nacianceno, S. (1964). Lettres. Belles Lettres.

Chicago Style (17th ed.) Citation

Gregorio Nacianceno, Santo. Lettres. Paris: Belles Lettres, 1964.

MLA (9th ed.) Citation

Gregorio Nacianceno, Santo. Lettres. Belles Lettres, 1964.

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