APA (7th ed.) Citation

Gerwarth, R., & Manela, E. (2014). Empires at war: 1911-1923. Oxford University Press.

Chicago Style (17th ed.) Citation

Gerwarth, Robert, and Erez Manela. Empires at War: 1911-1923. Oxford: Oxford University Press, 2014.

MLA (9th ed.) Citation

Gerwarth, Robert, and Erez Manela. Empires at War: 1911-1923. Oxford University Press, 2014.

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