Cita APA (7th ed.)

Silbey, J. H., & Ashworth, J. (2014). A companion to the antebellum presidents (First edition.). John Wiley & Sons.

Cita Chicago (17th ed.)

Silbey, Joel H., i John Ashworth. A Companion to the Antebellum Presidents. First edition. Chichester, England ;: John Wiley & Sons, 2014.

Cita MLA (9th ed.)

Silbey, Joel H., i John Ashworth. A Companion to the Antebellum Presidents. First edition. John Wiley & Sons, 2014.