APA (7th ed.) Citation

Kopelev, L., Austin, A., & Böll, H. (1977). No jail for thought. Secker & Warburg.

Chicago Style (17th ed.) Citation

Kopelev, Lev, Anthony Austin, and Heinrich Böll. No Jail for Thought. London: Secker & Warburg, 1977.

MLA (9th ed.) Citation

Kopelev, Lev, et al. No Jail for Thought. Secker & Warburg, 1977.