APA

Sedley D. N., . (2003). The Cambridge companion to Greek and Roman philosophy. Cambridge: Cambridge University Press.

Chicago

Sedley D N, . 2003. The Cambridge companion to Greek and Roman philosophy. Cambridge: Cambridge University Press.

Harvard

Sedley D. N., . (2003). The Cambridge companion to Greek and Roman philosophy. Cambridge: Cambridge University Press.

MLA

Sedley D N, . The Cambridge companion to Greek and Roman philosophy. Cambridge: Cambridge University Press. 2003.