BibTex format
@article{Gardner:2016:10.1111/bjhp.12189,
author = {Gardner, B and Phillips, A and Judah, GD},
doi = {10.1111/bjhp.12189},
journal = {British Journal of Health Psychology},
pages = {613--630},
title = {Habitual instigation and habitual execution: definition, measurement, and effects on behaviour frequency},
url = {http://dx.doi.org/10.1111/bjhp.12189},
volume = {21},
year = {2016}
}