APA (7th ed.) Citation

Hays, D. G. (1981). Cognitive structures. Human Relations Area Files.

Chicago Style (17th ed.) Citation

Hays, David G. Cognitive Structures. New Haven, Conn. (P.O. Box 2015, Y.S., New Haven 06520): Human Relations Area Files, 1981.

MLA (8th ed.) Citation

Hays, David G. Cognitive Structures. Human Relations Area Files, 1981.