APA (7th ed.) Citation

Galeno, Walzer, R. R., & Frede, M. (1985). Three treatises on the nature of science. Hackett.

Chicago Style (17th ed.) Citation

Galeno, Richard Rudolf Walzer, and Michael Frede. Three Treatises on the Nature of Science. Indianapolis: Hackett, 1985.

MLA (9th ed.) Citation

Galeno, et al. Three Treatises on the Nature of Science. Hackett, 1985.