@article{Breen2013,
author = {Breen, R. and Karlson, K.B. and Holm, A. },
title= {Total, direct, and indirect effects in logit and probit models},
year = {2013},
doi = {10.1177/0049124113494572},
journal = {Sociological Methods and Research },
volume = {42},
number = {2},
pages = {164--191},
}