BibTex format
@article{WARREN:1987:10.1038/325131a0,
author = {WARREN, SJ and HEWETT, PC and IRWIN, MJ and MCMAHON, RG and BRIDGELAND, MT and BUNCLARK, PS and KIBBLEWHITE, EJ},
doi = {10.1038/325131a0},
journal = {NATURE},
pages = {131--133},
title = {1ST OBSERVATION OF A QUASAR WITH A REDSHIFT OF 4},
url = {http://dx.doi.org/10.1038/325131a0},
volume = {325},
year = {1987}
}