APA (7th ed.) Citation

C. F. (1680). A letter to His Grace the D. of Monmouth this 15th of July, 1680. [publisher not identified].

Chicago Style (17th ed.) Citation

C. F. A Letter to His Grace the D. of Monmouth This 15th of July, 1680. [London?]: [publisher not identified], 1680.

MLA (9th ed.) Citation

C. F. A Letter to His Grace the D. of Monmouth This 15th of July, 1680. [publisher not identified], 1680.