APA (7th ed.) Citation

Whimbey, A., Lochhead, J., & Narode, R. (2013). Problem solving and comprehension (Seventh edition.). Routledge.

Chicago Style (17th ed.) Citation

Whimbey, Arthur, Jack Lochhead, and Ronald Narode. Problem Solving and Comprehension. Seventh edition. New York ; London: Routledge, 2013.

MLA (9th ed.) Citation

Whimbey, Arthur, et al. Problem Solving and Comprehension. Seventh edition. Routledge, 2013.