@article{Bales2015,
author = {Bales, K. and Hesketh, O. and Silverman, B.},
title= {Modern slavery in the UK: How many victims?},
year = {2015},
doi = {10.1111/j.1740-9713.2015.00824.x},
volume = {12},
number = {3},
pages = {16--21},
}