Thornton, E. An almanack, for the year of our Lord, 1788: ... Calculated for the meridian of Providence, latitude 41$ 51' n. and longitude 71$ 16' w. of the Royal Observatory at Greenwich. But may serve the adjacent states.
Chicago Style (17th ed.) CitationThornton, Elisha. An Almanack, for the Year of Our Lord, 1788: ... Calculated for the Meridian of Providence, Latitude 41$ 51' N. and Longitude 71$ 16' W. of the Royal Observatory at Greenwich. But May Serve the Adjacent States.
MLA (9th ed.) CitationThornton, Elisha. An Almanack, for the Year of Our Lord, 1788: ... Calculated for the Meridian of Providence, Latitude 41$ 51' N. and Longitude 71$ 16' W. of the Royal Observatory at Greenwich. But May Serve the Adjacent States.
Warning: These citations may not always be 100% accurate.