APA (7th ed.) Citation

Beazley, C. R., Forbes, N., & Birkett, G. A. (1918). Russia from the Varangians to the Bolsheviks. The Clarendon press.

Chicago Style (17th ed.) Citation

Beazley, C. Raymond, Nevill Forbes, and G. A. Birkett. Russia from the Varangians to the Bolsheviks. Oxford: The Clarendon press, 1918.

MLA (9th ed.) Citation

Beazley, C. Raymond, et al. Russia from the Varangians to the Bolsheviks. The Clarendon press, 1918.