APA (7th ed.) Citation

Popper, K. R., & Camiller, P. (2001). All life is problem solving. Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl R., and Patrick Camiller. All Life Is Problem Solving. London: Routledge, 2001.

MLA (9th ed.) Citation

Popper, Karl R., and Patrick Camiller. All Life Is Problem Solving. Routledge, 2001.