APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

Qiang, Yi, Jinwen Xu, und 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.

MLA-Zitierstil (9. Ausg.)

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.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.