Cita APA (7a ed.)

Whittaker, C. R. (1997). Frontiers of the Roman Empire: A social and economic study (Johns Hopkins pbk. ed.). Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

Whittaker, C. R. Frontiers of the Roman Empire: A Social and Economic Study. Johns Hopkins pbk. ed. Baltimore [etc.]: Johns Hopkins University Press, 1997.

Cita MLA (9a ed.)

Whittaker, C. R. Frontiers of the Roman Empire: A Social and Economic Study. Johns Hopkins pbk. ed. Johns Hopkins University Press, 1997.