APA (7th ed.) Citation

Kahney, H. (1993). Problem solving: Current issues (2nd ed.). Open University Press.

Chicago Style (17th ed.) Citation

Kahney, Hank. Problem Solving: Current Issues. 2nd ed. Buckingham [England]: Open University Press, 1993.

MLA (9th ed.) Citation

Kahney, Hank. Problem Solving: Current Issues. 2nd ed. Open University Press, 1993.