Qiang, Y., Xu, J., & Zhang, G. (2020). The shapes of US cities: Revisiting the classic population density functions using crowdsourced geospatial data. Urban studies (Edinburgh, Scotland), 57(10), 2147-2162. https://doi.org/10.1177/0042098019871191
Citace podle Chicago (17th ed.)Qiang, Yi, Jinwen Xu, a Guohui Zhang. "The Shapes of US Cities: Revisiting the Classic Population Density Functions Using Crowdsourced Geospatial Data." Urban Studies (Edinburgh, Scotland) 57, no. 10 (2020): 2147-2162. https://doi.org/10.1177/0042098019871191.
Citace podle MLA (9th ed.)Qiang, Yi, et al. "The Shapes of US Cities: Revisiting the Classic Population Density Functions Using Crowdsourced Geospatial Data." Urban Studies (Edinburgh, Scotland), vol. 57, no. 10, 2020, pp. 2147-2162, https://doi.org/10.1177/0042098019871191.