APA (7th ed.) Citation

(1814). Beers' almanac for the year of our Lord 1815 ... Calculated for the meridian of Hartford, latitude 41⁰ 56' N.--longitude 72⁰ 50' W. from the Royal Observatory at Greenwich--but may serve for any of the adjadent states, without any essential difference. ... By Andrew Beers, philom. [electronic resource].

Chicago Style (17th ed.) Citation

Beers' Almanac for the Year of Our Lord 1815 ... Calculated for the Meridian of Hartford, Latitude 41⁰ 56' N.--longitude 72⁰ 50' W. from the Royal Observatory at Greenwich--but May Serve for Any of the Adjadent States, Without Any Essential Difference. ... By Andrew Beers, Philom. [electronic Resource]. 1814.

MLA (9th ed.) Citation

Beers' Almanac for the Year of Our Lord 1815 ... Calculated for the Meridian of Hartford, Latitude 41⁰ 56' N.--longitude 72⁰ 50' W. from the Royal Observatory at Greenwich--but May Serve for Any of the Adjadent States, Without Any Essential Difference. ... By Andrew Beers, Philom. [electronic Resource]. 1814.