APA

Luttwak E., . (1976). The grand strategy of the Roman Empire from the first century A.D. to the third. Baltimore: Johns Hopkins University Press.

Chicago

Luttwak Edward, . 1976. The grand strategy of the Roman Empire from the first century A.D. to the third. Baltimore: Johns Hopkins University Press.

Harvard

Luttwak E., . (1976). The grand strategy of the Roman Empire from the first century A.D. to the third. Baltimore: Johns Hopkins University Press.

MLA

Luttwak Edward, . The grand strategy of the Roman Empire from the first century A.D. to the third. Baltimore: Johns Hopkins University Press. 1976.