APA (7th ed.) Zitazioa

Freeman, K. (1962). Ancilla to the pre-Socratic philosophers. Basil Blackwell.

Chicago Style (17th ed.) Zitazioa

Freeman, Kathleen. Ancilla to the Pre-Socratic Philosophers. Oxford: Basil Blackwell, 1962.

MLA (9th ed.) Zitazioa

Freeman, Kathleen. Ancilla to the Pre-Socratic Philosophers. Basil Blackwell, 1962.