Cita APA (7a ed.)

Cicero, M. T., Sabine, G. H., & Smith, S. B. (1929). On the Commonwealth. Bobbs-Merrill.

Cita Chicago Style (17a ed.)

Cicero, Marcus Tullius, George Holland Sabine, y Stanley Barney Smith. On the Commonwealth. Indianapolis: Bobbs-Merrill, 1929.

Cita MLA (9a ed.)

Cicero, Marcus Tullius, et al. On the Commonwealth. Bobbs-Merrill, 1929.