APA (7th ed.) Citation

Casson, L. (1982). The barbarian kings. Stonehenge Press.

Chicago Style (17th ed.) Citation

Casson, Lionel. The Barbarian Kings. Chicago, Ill: Stonehenge Press, 1982.

MLA (9th ed.) Citation

Casson, Lionel. The Barbarian Kings. Stonehenge Press, 1982.