APA (7th ed.) Citation

(1642). A True coppy of a letter from Oxford: Sent from a private friend to a merchant of good worth in the citty [sic] of London and by him presented to the honorable House of Commons and read there : setting forth the present state of affaires at Oxford and the present condition of the Cavaliers. Printed for Frances Leach and Francis Coles and are to be sould in the Oldbaily.

Chicago Style (17th ed.) Citation

A True Coppy of a Letter from Oxford: Sent from a Private Friend to a Merchant of Good Worth in the Citty [sic] of London and by Him Presented to the Honorable House of Commons and Read There : Setting Forth the Present State of Affaires at Oxford and the Present Condition of the Cavaliers. London printed: Printed for Frances Leach and Francis Coles and are to be sould in the Oldbaily, 1642.

MLA (9th ed.) Citation

A True Coppy of a Letter from Oxford: Sent from a Private Friend to a Merchant of Good Worth in the Citty [sic] of London and by Him Presented to the Honorable House of Commons and Read There : Setting Forth the Present State of Affaires at Oxford and the Present Condition of the Cavaliers. Printed for Frances Leach and Francis Coles and are to be sould in the Oldbaily, 1642.

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