Encyclopaedia Britannica. (1977). 1977 Yearbook of Science and the Future. Encycyclopaedia Britannica.
Chicago Edition CitationEncyclopaedia Britannica. 1977 Yearbook of Science and the Future. London: Encycyclopaedia Britannica, 1977.
MLA Edition CitationEncyclopaedia Britannica. 1977 Yearbook of Science and the Future. Encycyclopaedia Britannica, 1977.
Warning: These citations may not always be 100% accurate.