APA (7th ed.) Citation

Plutchik, R. (1994). The psychology and biology of emotion. Harper Collins College Publishers.

Chicago Style (17th ed.) Citation

Plutchik, Robert. The Psychology and Biology of Emotion. New York, N.Y: Harper Collins College Publishers, 1994.

MLA (9th ed.) Citation

Plutchik, Robert. The Psychology and Biology of Emotion. Harper Collins College Publishers, 1994.

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