APA (7th ed.) Citation

Frankfort, H., Jacobsen, T., Wilson, J., & Frankfort, A. (1949). Before Philosophy.

Chicago Style (17th ed.) Citation

Frankfort, H., Th Jacobsen, J.A Wilson, and A. Frankfort. Before Philosophy. 1949.

MLA (8th ed.) Citation

Frankfort, H., et al. Before Philosophy. 1949.