Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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