Cita APA (7a ed.)

Chapman, J. D., & Sherman, J. C. (1973). United States & Canada (Repr.). Clarendon.

Cita Chicago Style (17a ed.)

Chapman, John D., y John C. Sherman. United States & Canada. Repr. Oxford: Clarendon, 1973.

Cita MLA (9a ed.)

Chapman, John D., y John C. Sherman. United States & Canada. Repr. Clarendon, 1973.