APA (7th ed.) Citation

Popper, K. R., Bosetti, G., & Camiller, P. (1996). The lesson of this century: With two talks on freedom and the democratic state. Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl Raimund, Giancarlo Bosetti, and Patrick Camiller. The Lesson of This Century: With Two Talks on Freedom and the Democratic State. London [etc.]: Routledge, 1996.

MLA (9th ed.) Citation

Popper, Karl Raimund, et al. The Lesson of This Century: With Two Talks on Freedom and the Democratic State. Routledge, 1996.