APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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