Cita APA (7a ed.)

Kirk, G., & Raven, J. (1957). The presocratic philosophers. University Press.

Cita Chicago Style (17a ed.)

Kirk, G.S, y J.E Raven. The Presocratic Philosophers. Cambridge: University Press, 1957.

Cita MLA (8a ed.)

Kirk, G.S, y J.E Raven. The Presocratic Philosophers. University Press, 1957.