Hopkins, B. S. (1930). General chemistry for colleges. D. C. Heath and company.
芝加哥风格引文Hopkins, B. S. General Chemistry for Colleges. Boston, New York [etc.]: D. C. Heath and company, 1930.
MLA引文Hopkins, B. S. General Chemistry for Colleges. D. C. Heath and company, 1930.
警告：这些引文格式不一定是100％准确.