Williams, W. (1687). Cambridge ephemeris. An almanack of coelestial motions and configurations for the year of the Christian epocha, 1687: Calculated for longitude 215. dgr. and latitude 42 dgr. 30, min. north. Printed by S.G. [Samuel Green] colledg. printer.
Chicago-Zitierstil (17. Ausg.)Williams, William. Cambridge Ephemeris. An Almanack of Coelestial Motions and Configurations for the Year of the Christian Epocha, 1687: Calculated for Longitude 215. Dgr. and Latitude 42 Dgr. 30, Min. North. Cambridge [Mass.]: Printed by S.G. [Samuel Green] colledg. printer, 1687.
MLA-Zitierstil (9. Ausg.)Williams, William. Cambridge Ephemeris. An Almanack of Coelestial Motions and Configurations for the Year of the Christian Epocha, 1687: Calculated for Longitude 215. Dgr. and Latitude 42 Dgr. 30, Min. North. Printed by S.G. [Samuel Green] colledg. printer, 1687.