APA (7th ed.) Citation

Pennsylvania. Lieutenant Governor (1738-1747 : Thomas) & Thomas, G. By the Honourable George Thomas, Esq; lieutenant governor, and commander in chief, of the province of Pennsylvania ... a proclamation: ... Thursday, the twenty-fourth day of this instant July, be observed ... as a day of publick thanksgiving ... Given under my hand, and the great seal of the province of Pennsylvania, at Philadelphia, this fourteenth day of July ... one thousand seven hundred and forty-six.

Chicago Style (17th ed.) Citation

Pennsylvania. Lieutenant Governor (1738-1747 : Thomas) and George Thomas. By the Honourable George Thomas, Esq; Lieutenant Governor, and Commander in Chief, of the Province of Pennsylvania ... a Proclamation: ... Thursday, the Twenty-fourth Day of This Instant July, Be Observed ... as a Day of Publick Thanksgiving ... Given Under My Hand, and the Great Seal of the Province of Pennsylvania, at Philadelphia, This Fourteenth Day of July ... One Thousand Seven Hundred and Forty-six.

MLA (9th ed.) Citation

Pennsylvania. Lieutenant Governor (1738-1747 : Thomas) and George Thomas. By the Honourable George Thomas, Esq; Lieutenant Governor, and Commander in Chief, of the Province of Pennsylvania ... a Proclamation: ... Thursday, the Twenty-fourth Day of This Instant July, Be Observed ... as a Day of Publick Thanksgiving ... Given Under My Hand, and the Great Seal of the Province of Pennsylvania, at Philadelphia, This Fourteenth Day of July ... One Thousand Seven Hundred and Forty-six.

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