APA引文

Hopkins, B. S. (1930). General chemistry for colleges. D. C. Heath and company.

Chicago Style (17th ed.) Citation

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.