APA (7th ed.) Citation

Gregory, o. N. (1999). Ascetical works. Catholic University of America Press.

Chicago Style (17th ed.) Citation

Gregory, of Nyssa. Ascetical Works. Washington, D.C: Catholic University of America Press, 1999.

MLA (9th ed.) Citation

Gregory, of Nyssa. Ascetical Works. Catholic University of America Press, 1999.