Johnson, O. (1990). Information please almanac. Houghton Mifflin Company.
芝加哥风格引文Johnson, Otto. Information Please Almanac. Boston: Houghton Mifflin Company, 1990.
MLA引文Johnson, Otto. Information Please Almanac. Houghton Mifflin Company, 1990.
警告：这些引文格式不一定是100％准确.