APA (7th ed.) Citation

Hilary Saint, B. o. P. De trinitate. Brepols Publishers.

Chicago Style (17th ed.) Citation

Hilary Saint, Bishop of Poitiers. De Trinitate. Turnhout: Brepols Publishers.

MLA (9th ed.) Citation

Hilary Saint, Bishop of Poitiers. De Trinitate. Brepols Publishers.

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