APA (7th ed.) Citation

Trotsky, L., Clinton, A., & Chappell, R. Collected writings and speeches on Britain. New Park publications (London).

Chicago Style (17th ed.) Citation

Trotsky, Léon, Alan Clinton, and R. Chappell. Collected Writings and Speeches on Britain. New Park publications (London).

MLA (8th ed.) Citation

Trotsky, Léon, et al. Collected Writings and Speeches on Britain. New Park publications (London).