Cita APA (7a ed.)

(1982). Problem solving and comprehension / Arthur Whimbey, Jack Lochhead ; cover design and illustrations by Miriam Seidel.

Cita Chicago Style (17a ed.)

Problem Solving and Comprehension / Arthur Whimbey, Jack Lochhead ; Cover Design and Illustrations by Miriam Seidel. 1982.

Cita MLA (9a ed.)

Problem Solving and Comprehension / Arthur Whimbey, Jack Lochhead ; Cover Design and Illustrations by Miriam Seidel. 1982.