BibTex format
@inproceedings{Coronini-Cronberg and Millett and Laverty:2012,
author = {Coronini-Cronberg and Millett and Laverty, A and Webb, E},
title = {A cross-sectional assessment of the effect of the free older persons' bus pass on active travel and regular walking among adults ≥60 years in England using data from the National Travel Survey 2005-2008},
year = {2012}
}