BibTex format
@article{Müller:1999:10.1007/s004420050767,
author = {Müller, CB and Godfray, HCJ},
doi = {10.1007/s004420050767},
journal = {OECOLOGIA},
pages = {120--125},
title = {Predators and mutualists influence the exclusion of aphid species from natural communities},
url = {http://dx.doi.org/10.1007/s004420050767},
volume = {119},
year = {1999}
}