APA (7th ed.) Citation

Berke, E. M., & Shi, X. (2009). Computing travel time when the exact address is unknown: A comparison of point and polygon ZIP code approximation methods. International journal of health geographics, 8(1), 23. https://doi.org/10.1186/1476-072X-8-23

Chicago Style (17th ed.) Citation

Berke, Ethan M., and Xun Shi. "Computing Travel Time When the Exact Address Is Unknown: A Comparison of Point and Polygon ZIP Code Approximation Methods." International Journal of Health Geographics 8, no. 1 (2009): 23. https://doi.org/10.1186/1476-072X-8-23.

MLA (9th ed.) Citation

Berke, Ethan M., and Xun Shi. "Computing Travel Time When the Exact Address Is Unknown: A Comparison of Point and Polygon ZIP Code Approximation Methods." International Journal of Health Geographics, vol. 8, no. 1, 2009, p. 23, https://doi.org/10.1186/1476-072X-8-23.