(1974). Britannica book of the year 1974. Chicago: Helen Hemingway Benton.
Chicago Style CitationBritannica Book of the Year 1974. Chicago: Helen Hemingway Benton, 1974.
Cita MLABritannica Book of the Year 1974. Chicago: Helen Hemingway Benton, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.