APA (7th ed.) Citation

Great Britain. Sovereign (1714-1727 : George I) & George I, K. o. G. B. (1720). By the King, a proclamation, for a publick fast. printed by John Baskett, printer to the Kings most excellent Majesty, and by the assigns of Thomas Newcomb, and Henry Hills, deceas'd.

Chicago Style (17th ed.) Citation

Great Britain. Sovereign (1714-1727 : George I) and King of Great Britain George I. By the King, a Proclamation, for a Publick Fast. London: printed by John Baskett, printer to the Kings most excellent Majesty, and by the assigns of Thomas Newcomb, and Henry Hills, deceas'd, 1720.

MLA (9th ed.) Citation

Great Britain. Sovereign (1714-1727 : George I) and King of Great Britain George I. By the King, a Proclamation, for a Publick Fast. printed by John Baskett, printer to the Kings most excellent Majesty, and by the assigns of Thomas Newcomb, and Henry Hills, deceas'd, 1720.

Warning: These citations may not always be 100% accurate.