APA

Kirk G. S., Raven J. E., . (19641957). The presocratic philosophers. Cambridge: at the University Press.

Chicago

Kirk Geoffrey Stephen, Raven John Earle, . 19641957. The presocratic philosophers. Cambridge: at the University Press.

Harvard

Kirk G. S., Raven J. E., . (19641957). The presocratic philosophers. Cambridge: at the University Press.

MLA

Kirk Geoffrey Stephen, Raven John Earle, . The presocratic philosophers. Cambridge: at the University Press. 19641957.