APA (7th ed.) Citation

Pope, A. Pope's almanack, for the year of our Lord 1795: ... Calculated for the meridian of Boston, (lat. 42 deg. 25 min. north: long. 70 deg. 56 min. west of London,) but will serve, without any essential error, for all the New England states.

Chicago Style (17th ed.) Citation

Pope, Amos. Pope's Almanack, for the Year of Our Lord 1795: ... Calculated for the Meridian of Boston, (lat. 42 Deg. 25 Min. North: Long. 70 Deg. 56 Min. West of London,) but Will Serve, Without Any Essential Error, for All the New England States.

MLA (9th ed.) Citation

Pope, Amos. Pope's Almanack, for the Year of Our Lord 1795: ... Calculated for the Meridian of Boston, (lat. 42 Deg. 25 Min. North: Long. 70 Deg. 56 Min. West of London,) but Will Serve, Without Any Essential Error, for All the New England States.