Cita APA (7a ed.)

Walbank, F. W. (1957). A historical commentary on Polybius. Clarendon.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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