APA (7th ed.) Citation

(1981). The Encyclopedia of psychology (New and updated.). DPG Reference Pub..

Chicago Style (17th ed.) Citation

The Encyclopedia of Psychology. New and updated. Guilford, Conn.: DPG Reference Pub., 1981.

MLA (9th ed.) Citation

The Encyclopedia of Psychology. New and updated. DPG Reference Pub., 1981.

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