Citazione Stile APA (7a Edizione)

Snell, J. L. (1966). A handbook in history and philosophy. D C Heath and company.

Citazione stile Chigago Style (17a edizione)

Snell, John L. A Handbook in History and Philosophy. Boston: D C Heath and company, 1966.

Citatione MLA (9a ed.)

Snell, John L. A Handbook in History and Philosophy. D C Heath and company, 1966.