APA (7th ed.) Citation

George, P., & Marlborough, J. C. (1688). Prince George's letter to the King. publisher not identified.

Chicago Style (17th ed.) Citation

George, Prince, and John Churchill Marlborough. Prince George's Letter to the King. [London?: publisher not identified, 1688.

MLA (9th ed.) Citation

George, Prince, and John Churchill Marlborough. Prince George's Letter to the King. publisher not identified, 1688.