APA (7th ed.) Citation

Ridpath, G. (1712). A letter to a friend, concerning the oath of abjuration. [publisher not identified].

Chicago Style (17th ed.) Citation

Ridpath, George. A Letter to a Friend, Concerning the Oath of Abjuration. [London?]: [publisher not identified], 1712.

MLA (9th ed.) Citation

Ridpath, George. A Letter to a Friend, Concerning the Oath of Abjuration. [publisher not identified], 1712.