BibTex format
@article{Clough:2016:10.1016/j.physa.2015.12.053,
author = {Clough, JR and Evans, TS},
doi = {10.1016/j.physa.2015.12.053},
journal = {Physica A, 448 (2016) 235-247},
title = {What is the dimension of citation space?},
url = {http://dx.doi.org/10.1016/j.physa.2015.12.053},
year = {2016}
}