@article{Massey2010,
author = {Massey, D.S. and Rugh, J.S. and Pren, K.A.},
title= {The geography of undocumented Mexican migration},
year = {2010},
doi = {10.1525/msem.2010.26.1.129},
journal = {Mexican studies/Estudios mexicanos},
volume = {26},
number = {1},
pages = {129−152},
}