APA (7th ed.) Citation

Elton, H. (1996). Frontiers of the Roman Empire (1. publ.). Batsford.

Chicago Style (17th ed.) Citation

Elton, Hugh. Frontiers of the Roman Empire. 1. publ. London: Batsford, 1996.

MLA (9th ed.) Citation

Elton, Hugh. Frontiers of the Roman Empire. 1. publ. Batsford, 1996.

Warning: These citations may not always be 100% accurate.