APA (7th ed.) Citation
Davidson, P., & et al. A GIS-based methodology for improving needle exchange service delivery.
Chicago Style (17th ed.) Citation
Davidson, P.J, and et al. A GIS-based Methodology for Improving Needle Exchange Service Delivery.
MLA (9th ed.) Citation
Davidson, P.J, and et al. A GIS-based Methodology for Improving Needle Exchange Service Delivery.
Warning: These citations may not always be 100% accurate.