APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Kahney, Hank. Problem-solving: Current Issues. 2. ed. Buckingham u.a: Open Univ. Press, 1993.

MLA (9th ed.) Citation

Kahney, Hank. Problem-solving: Current Issues. 2. ed. Open Univ. Press, 1993.