@inbook{Elder Jr.1985a,
author = {Elder Jr., G.H.},
title= {Preface},
year = {1985a},
editor = {Elder Jr., G.H.},
booktitle = {Life Course Dynamics: Trajectories and Transitions, 1968-1980},
address = {Ithaca},
publisher = {Cornell University Press},
pages = {15--20},
}