BibTex format
@article{Barraclough:2004:10.1016/j.tree.2004.08.006,
author = {Barraclough, TG},
doi = {10.1016/j.tree.2004.08.006},
journal = {Trends in Ecology and Evolution},
pages = {569--570},
title = {Theory of speciation: Filling an empty hole},
url = {http://dx.doi.org/10.1016/j.tree.2004.08.006},
volume = {19},
year = {2004}
}