Tyner, J. (2013). Population Geography I: Surplus populations. Progress in Human Geography. https://doi.org/http://dx.doi.org/10.1177/0309132512473924
Tyner, James. 2013. “Population Geography I: Surplus Populations”. Progress in Human Geography. https://doi.org/http://dx.doi.org/10.1177/0309132512473924.
Tyner, J. Population Geography I: Surplus Populations. Progress in Human Geography, 1 Jan. 2013, doi:http://dx.doi.org/10.1177/0309132512473924.