Britannica... (1972). Britannica book of the year 1972. William Benton.
Chicago Style (17th ed.) CitationBritannica... Britannica Book of the Year 1972. William Benton, 1972.
MLA (8th ed.) CitationBritannica... Britannica Book of the Year 1972. William Benton, 1972.
Warning: These citations may not always be 100% accurate.