APA (7th ed.) Citation

O'Connor, A. (1799). Arthur O'Connor's letter to Lord Castlereagh. [s.n.].

Chicago Style (17th ed.) Citation

O'Connor, Arthur. Arthur O'Connor's Letter to Lord Castlereagh. [S.l.]: [s.n.], 1799.

MLA (9th ed.) Citation

O'Connor, Arthur. Arthur O'Connor's Letter to Lord Castlereagh. [s.n.], 1799.

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