@article{Landale1992,
author = {Landale, N.S. and Fennelly, K.},
title= {Informal unions among mainland Puerto Ricans: Cohabitation or an alternative to legal marriage},
year = {1992},
doi = {10.2307/353058},
journal = {Journal of Marriage and the Family},
volume = {54},
number = {2},
pages = {269--280},
}