@inbook{Radcliffe-Brown1950,
author = {Radcliffe-Brown, A.-R. and Forde, D.I.},
title= {Introduction},
year = {1950},
editor = {Radcliffe-Brown, A.-R.},
editor = {Forde, D.I.},
booktitle = {African systems of kinship and marriage},
address = {London},
publisher = {International African Institute, Oxford University Press},
}