APA (7th ed.) Citation

Whimbey, A., Lochhead, J., & Narode, R. (2013). Problem solving and comprehension (7. ed.). Routledge.

Chicago Style (17th ed.) Citation

Whimbey, Arthur, Jack Lochhead, and Ronald Narode. Problem Solving and Comprehension. 7. ed. New York [u.a.]: Routledge, 2013.

MLA (9th ed.) Citation

Whimbey, Arthur, et al. Problem Solving and Comprehension. 7. ed. Routledge, 2013.