BibTex format
@article{Humphreys:2014:10.1098/rspb.2013.2750,
author = {Humphreys, AM and Barraclough, TG},
doi = {10.1098/rspb.2013.2750},
journal = {PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES},
title = {The evolutionary reality of higher taxa in mammals},
url = {http://dx.doi.org/10.1098/rspb.2013.2750},
volume = {281},
year = {2014}
}