(1903). Directory of the American Chemical Society; Directory of the American Chemical Society. 1903.
Chicago Style (17th ed.) CitationDirectory of the American Chemical Society; Directory of the American Chemical Society. 1903, 1903.
MLA (9th ed.) CitationDirectory of the American Chemical Society; Directory of the American Chemical Society. 1903, 1903.
Warning: These citations may not always be 100% accurate.