APA (7th ed.) Citation

Levenston, G. K., Patrick, C. J., Bradley, M. M., & Lang, P. J. (2000). The psychopath as observer: Emotion and attention in picture processing. Journal of abnormal psychology, 109(3), 373-385.

Chicago Style (17th ed.) Citation

Levenston, Gary K., Christopher J. Patrick, Margaret M. Bradley, and Peter J. Lang. "The Psychopath as Observer: Emotion and Attention in Picture Processing." Journal of Abnormal Psychology 109, no. 3 (2000): 373-385.

MLA (8th ed.) Citation

Levenston, Gary K., et al. "The Psychopath as Observer: Emotion and Attention in Picture Processing." Journal of Abnormal Psychology, vol. 109, no. 3, 2000, pp. 373-385.