APA (7th ed.) Citation

Purkis, H., Lipp, O., Edwards, M., & Barnes, R. (2009). An increase in stimulus arousal has differential effects on the processing speed of pleasant and unpleasant stimuli. Springer Netherlands.

Chicago Style (17th ed.) Citation

Purkis, H., Ottmar Lipp, M. Edwards, and R. Barnes. An Increase in Stimulus Arousal Has Differential Effects on the Processing Speed of Pleasant and Unpleasant Stimuli. Springer Netherlands, 2009.

MLA (9th ed.) Citation

Purkis, H., et al. An Increase in Stimulus Arousal Has Differential Effects on the Processing Speed of Pleasant and Unpleasant Stimuli. Springer Netherlands, 2009.