APA (7th ed.) Citation

Orígenes 185-ca. 254, Koetschau, P., Butterworth, G. W. n. 1., & Lubac, H. d. (1966). On first principles: Being Koetschau's Text of the "De Principiis". Harper & Row.

Chicago Style (17th ed.) Citation

Orígenes 185-ca. 254, Paul Koetschau, G. W. n. 1879 Butterworth, and Henri de Lubac. On First Principles: Being Koetschau's Text of the "De Principiis". New York: Harper & Row, 1966.

MLA (9th ed.) Citation

Orígenes 185-ca. 254, et al. On First Principles: Being Koetschau's Text of the "De Principiis". Harper & Row, 1966.