APA Edition Citation

Popper, K. R. (1976). Unended quest ([Revised ed.].). Fontana,Flamingo.

Chicago Edition Citation

Popper, Karl R. Unended Quest. [Revised ed.]. [London]: Fontana,Flamingo, 1976.

MLA Edition Citation

Popper, Karl R. Unended Quest. [Revised ed.]. Fontana,Flamingo, 1976.