APA (7th ed.) Citation

Balfour, A. (1700). Letters write [sic] to a friend. [publisher not identified].

Chicago Style (17th ed.) Citation

Balfour, Andrew. Letters Write [sic] to a Friend. Edinburgh printed: [publisher not identified], 1700.

MLA (9th ed.) Citation

Balfour, Andrew. Letters Write [sic] to a Friend. [publisher not identified], 1700.