Cita APA (7a ed.)

Walbank, F. W. (1972). Polybius. University of California press.

Cita Chicago Style (17a ed.)

Walbank, F. W. Polybius. Berkeley: University of California press, 1972.

Cita MLA (9a ed.)

Walbank, F. W. Polybius. University of California press, 1972.