(1981). Encyclopaedia Britannica.
Chicago Edition CitationEncyclopaedia Britannica. 1981.
MLA Edition CitationEncyclopaedia Britannica. 1981.
Warning: These citations may not always be 100% accurate.
APA Edition Citation
(1981). Encyclopaedia Britannica.
Chicago Edition CitationEncyclopaedia Britannica. 1981.
MLA Edition CitationEncyclopaedia Britannica. 1981.