APA (7th ed.) Citation

Dio Chrysostomus 40-120, Cohoon, J. W., & Crosby, H. L. Discourses. Harvard University Press.

Chicago Style (17th ed.) Citation

Dio Chrysostomus 40-120, J. W. Cohoon, and Henry Lamar Crosby. Discourses. Cambridge, MA: Harvard University Press.

MLA (9th ed.) Citation

Dio Chrysostomus 40-120, et al. Discourses. Harvard University Press.