APA (7th ed.) Citation

Popper, K. R., & Miller, D. (1983). A pocket Popper. Fontana.

Chicago Style (17th ed.) Citation

Popper, Karl R., and David Miller. A Pocket Popper. [London]: Fontana, 1983.

MLA (9th ed.) Citation

Popper, Karl R., and David Miller. A Pocket Popper. Fontana, 1983.