Citazione Stile APA (7a Edizione)

Cornford, F. M., & Guthrie, W. K. C. (1950). The Unwritten Philosophy and Other Essays. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Cornford, F. M., e W. K. C. Guthrie. The Unwritten Philosophy and Other Essays. Cambridge: Cambridge University Press, 1950.

Citatione MLA (9a ed.)

Cornford, F. M., e W. K. C. Guthrie. The Unwritten Philosophy and Other Essays. Cambridge University Press, 1950.