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.: Human Relations Area Files, 1981.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.