APA (7th ed.) Citation

Kilber, H., & Lessius, L. Tractatus, De virtutibus Theologicis.

Chicago Style (17th ed.) Citation

Kilber, Henrico, and Leonardus Lessius. Tractatus, De Virtutibus Theologicis.

MLA (9th ed.) Citation

Kilber, Henrico, and Leonardus Lessius. Tractatus, De Virtutibus Theologicis.

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