(1972). Modern century illustrated encyclopaedia, Vol.12: Prehistoric Man to Rodgers. Modern Century Illustrated Encyclopaedia.
Chicago Edition CitationModern Century Illustrated Encyclopaedia, Vol.12: Prehistoric Man to Rodgers. New York: Modern Century Illustrated Encyclopaedia, 1972.
MLA引文Modern Century Illustrated Encyclopaedia, Vol.12: Prehistoric Man to Rodgers. Modern Century Illustrated Encyclopaedia, 1972.
警告：這些引文格式不一定是100％准確.