Cita APA (7a ed.)

O'Brien, D. P. (1978). The classical economists (Reprinted.). Clarendon Press.

Cita Chicago Style (17a ed.)

O'Brien, Denis Patrick. The Classical Economists. Reprinted. Oxford: Clarendon Press, 1978.

Cita MLA (9a ed.)

O'Brien, Denis Patrick. The Classical Economists. Reprinted. Clarendon Press, 1978.