Whimbey, A., & Lochhead, J. (1986). Problem solving and comprehension (Fourth edition.). L. Erlbaum Associates.
Chicago Style (17th ed.) CitationWhimbey, Arthur, and Jack Lochhead. Problem Solving and Comprehension. Fourth edition. Hillsdale, N.J.: L. Erlbaum Associates, 1986.
MLA (9th ed.) CitationWhimbey, Arthur, and Jack Lochhead. Problem Solving and Comprehension. Fourth edition. L. Erlbaum Associates, 1986.
Warning: These citations may not always be 100% accurate.