APA (7th ed.) Citation

Harvard University. Collection of Historical Scientific Instruments & Lloyd, S. (1992). Ivory diptych sundials, 1570-1750. Collection of Historical Scientific Instruments, Harvard University.

Chicago Style (17th ed.) Citation

Harvard University. Collection of Historical Scientific Instruments and Steven Lloyd. Ivory Diptych Sundials, 1570-1750. Cambridge, Mass.: Collection of Historical Scientific Instruments, Harvard University, 1992.

MLA (9th ed.) Citation

Harvard University. Collection of Historical Scientific Instruments and Steven Lloyd. Ivory Diptych Sundials, 1570-1750. Collection of Historical Scientific Instruments, Harvard University, 1992.