Cita APA (7a ed.)

Walbank, F. W. (1957). A Historical commentary on Polybius. at the Clarendon Press.

Cita Chicago Style (17a ed.)

Walbank, F. W. A Historical Commentary on Polybius. Oxford: at the Clarendon Press, 1957.

Cita MLA (9a ed.)

Walbank, F. W. A Historical Commentary on Polybius. at the Clarendon Press, 1957.