The Kentucky almanac, for the year of our Lord 1794: ... Calculated for the latitude of 37$ north, and a meridian of 15$ west of Philadelphia; and will serve without any sensible error, for the territory north-west of the Ohio, St. Vincents, the territory south of the Ohio and the western parts of Virginia.
Chicago Style (17th ed.) CitationThe Kentucky Almanac, for the Year of Our Lord 1794: ... Calculated for the Latitude of 37$ North, and a Meridian of 15$ West of Philadelphia; and Will Serve Without Any Sensible Error, for the Territory North-west of the Ohio, St. Vincents, the Territory South of the Ohio and the Western Parts of Virginia.
MLA (9th ed.) CitationThe Kentucky Almanac, for the Year of Our Lord 1794: ... Calculated for the Latitude of 37$ North, and a Meridian of 15$ West of Philadelphia; and Will Serve Without Any Sensible Error, for the Territory North-west of the Ohio, St. Vincents, the Territory South of the Ohio and the Western Parts of Virginia.