@inbook{Thomson2020,
author = {Thomson, E. and Gray, E. and Carlson, M.J.},
title= {Multi-partner fertility in Europe and the United States},
year = {2020},
doi = {10.1007/978-3-030-48519-1_8},
editor = {Schoen, R.},
booktitle = {Analyzing contemporary fertility},
address = {Cham},
publisher = {Springer International Publishing},
pages = {173--198},
}