BibTex format
@article{Katzourakis:2009:10.1126/science.1174149,
author = {Katzourakis, A and Gifford, RJ and Tristem, M and Gilbert, MTP and Pybus, OG},
doi = {10.1126/science.1174149},
journal = {SCIENCE},
pages = {1512--1512},
title = {Macroevolution of Complex Retroviruses},
url = {http://dx.doi.org/10.1126/science.1174149},
volume = {325},
year = {2009}
}