APA
American Optical Company, . (1945). Three American microscope builders. America: Scientific Instrument division.
Chicago
American Optical Company, . 1945. Three American microscope builders. America: Scientific Instrument division.
Harvard
American Optical Company, . (1945). Three American microscope builders. America: Scientific Instrument division.
MLA
American Optical Company, . Three American microscope builders. America: Scientific Instrument division. 1945.