Royal Greenwich Observatory, Great Britain. Public Record Office, & Flamsteed, J. (1970). Royal Greenwich Observatory, Astronomers' Royal Papers, Flamsteed. Public Record Office.
Chicago Style (17th ed.) CitationRoyal Greenwich Observatory, Great Britain. Public Record Office, and John Flamsteed. Royal Greenwich Observatory, Astronomers' Royal Papers, Flamsteed. London: Public Record Office, 1970.
MLA (8th ed.) CitationRoyal Greenwich Observatory, et al. Royal Greenwich Observatory, Astronomers' Royal Papers, Flamsteed. Public Record Office, 1970.
Warning: These citations may not always be 100% accurate.