BibTex format
@article{Clough:2015:comnet/cnu039,
author = {Clough, JR and Gollings, J and Loach, TV and Evans, TS},
doi = {comnet/cnu039},
journal = {Journal of Complex Networks},
pages = {189--203},
title = {Transitive reduction of citation networks},
url = {http://dx.doi.org/10.1093/comnet/cnu039},
volume = {3},
year = {2015}
}