APA (7th ed.) Citation

Ricker, J., & Saywell, J. (1980). Rome: A state in arms (3. ed.). Clarke, Irwin.

Chicago Style (17th ed.) Citation

Ricker, John, and John Saywell. Rome: A State in Arms. 3. ed. Toronto [u.a.]: Clarke, Irwin, 1980.

MLA (9th ed.) Citation

Ricker, John, and John Saywell. Rome: A State in Arms. 3. ed. Clarke, Irwin, 1980.