General Format
Name of Group. (Date). Word. In Encyclopedia Name. Retrieved Date, from URL
For Example
Encyclopædia Britannica. (n.d.). Muhammad Ali. In Encyclopædia Britannica. Retrieved January 17, 2020, from https://academic.eb.com/levels/collegiate/article/Muhammad-Ali/5713
Corresponding In-Text Citation
(Encyclopædia Britannica, n.d.)
OR
Encyclopædia Britannica (n.d.)