APA (7th ed.) Citation

Salmon, E. T. (1968). A history of the Roman world from 30 B.C. to A.D. 138 (6. ed., first paperback ed.). Methuen.

Chicago Style (17th ed.) Citation

Salmon, Edward Togo. A History of the Roman World from 30 B.C. to A.D. 138. 6. ed., first paperback ed. London: Methuen, 1968.

MLA (9th ed.) Citation

Salmon, Edward Togo. A History of the Roman World from 30 B.C. to A.D. 138. 6. ed., first paperback ed. Methuen, 1968.