@article{Hayford2014,
author = {Hayford, S.R. and Guzzo, K.B. and Smock, P.J.},
title= {The decoupling of marriage and parenthood? Trends in the timing of marital first births, 1945–2002},
year = {2014},
doi = {10.1111/jomf.12114},
volume = {76},
number = {3},
pages = {520--538},
}