APA (7th ed.) Citation

Galenus 129-199 & Brock, A. J. (1916). On the natural faculties. Harvard University Press.

Chicago Style (17th ed.) Citation

Galenus 129-199 and Arthur John Brock. On the Natural Faculties. Cambridge, Massachusetts ; London, England: Harvard University Press, 1916.

MLA (9th ed.) Citation

Galenus 129-199 and Arthur John Brock. On the Natural Faculties. Harvard University Press, 1916.