APA (7th ed.) Citation

Wyndham, F., & King, D. (1972). Trotsky: A documentary. Penguin Books.

Chicago Style (17th ed.) Citation

Wyndham, Francis, and David King. Trotsky: A Documentary. Harmondsworth: Penguin Books, 1972.

MLA (8th ed.) Citation

Wyndham, Francis, and David King. Trotsky: A Documentary. Penguin Books, 1972.