APA (7th ed.) Citation

Orígenes, Koetschau, P., Butterworth, G. W., & Lubac, H. d. (1966). On first principles. Harper & Row.

Chicago Style (17th ed.) Citation

Orígenes, Paul Koetschau, G. W. Butterworth, and Henri de Lubac. On First Principles. New York: Harper & Row, 1966.

MLA (9th ed.) Citation

Orígenes, et al. On First Principles. Harper & Row, 1966.