Farnsworth, A. H. (1926). A comparison of the photometric fields of the 6-inch doublet: 24-inch reflector, and 40-inch refractor of the Yerkes observatory, with some investigation of the astrometric field of the reflector. The University of Chicago Press.
Chicago Style (17th ed.) CitationFarnsworth, Alice H. A Comparison of the Photometric Fields of the 6-inch Doublet: 24-inch Reflector, and 40-inch Refractor of the Yerkes Observatory, with Some Investigation of the Astrometric Field of the Reflector. Chicago, Ill.: The University of Chicago Press, 1926.
MLA (8th ed.) CitationFarnsworth, Alice H. A Comparison of the Photometric Fields of the 6-inch Doublet: 24-inch Reflector, and 40-inch Refractor of the Yerkes Observatory, with Some Investigation of the Astrometric Field of the Reflector. The University of Chicago Press, 1926.