APA (7th ed.) Citation

Seton-Watson, R., Dover Wilson, J., Zimmern, A. E., & Greenwood, A. (1916). The war and democracy. Macmillan.

Chicago Style (17th ed.) Citation

Seton-Watson, R.W, J. Dover Wilson, Alfred E. Zimmern, and Arthur Greenwood. The War and Democracy. London: Macmillan, 1916.

MLA (8th ed.) Citation

Seton-Watson, R.W, et al. The War and Democracy. Macmillan, 1916.