APA (7th ed.) Citation

Thucydides & Smith, C. F. (1921). Thucydides. Harvard University Press.

Chicago Style (17th ed.) Citation

Thucydides and Charles Forstar Smith. Thucydides. Cambridge, Mass: Harvard University Press, 1921.

MLA (9th ed.) Citation

Thucydides and Charles Forstar Smith. Thucydides. Harvard University Press, 1921.