Encyclopaedia Britannica, The Editors of (ed.) 2016. Moiety System. Encyclopaedia Britannica.
@article{TheEditorsofEncyclopaediaBritannica2016,
editor = {of Encyclopaedia Britannica, The Editors},
journal = {Encyclopaedia Britannica},
title = {Moiety System},
year = {2016}
}