APA (7th ed.) Citation

Popper, K. R. (1994). Knowledge and the body-mind problem: In defence of interaction. Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl R. Knowledge and the Body-mind Problem: In Defence of Interaction. London: Routledge, 1994.

MLA (9th ed.) Citation

Popper, Karl R. Knowledge and the Body-mind Problem: In Defence of Interaction. Routledge, 1994.