(1975). Encyclopaedia Britanica (15th ed.). Encyclopaedia Britanica.
Chicago Edition CitationEncyclopaedia Britanica. 15th ed. London: Encyclopaedia Britanica, 1975.
MLA引文Encyclopaedia Britanica. 15th ed. Encyclopaedia Britanica, 1975.
警告:這些引文格式不一定是100%准確.