APA (7th ed.) Citation

Osborne, R. (1648). A true coppy of two severall letters sent by Mr. Richard Osborne (late attendant on his Majesty in Carisbrooke Castle,) touching a designe to poyson his Majesty:: Which letters were read in the House of Peeres June 19. 1648. publisher not identified].

Chicago Style (17th ed.) Citation

Osborne, Richard. A True Coppy of Two Severall Letters Sent by Mr. Richard Osborne (late Attendant on His Majesty in Carisbrooke Castle,) Touching a Designe to Poyson His Majesty:: Which Letters Were Read in the House of Peeres June 19. 1648. [London: publisher not identified], 1648.

MLA (9th ed.) Citation

Osborne, Richard. A True Coppy of Two Severall Letters Sent by Mr. Richard Osborne (late Attendant on His Majesty in Carisbrooke Castle,) Touching a Designe to Poyson His Majesty:: Which Letters Were Read in the House of Peeres June 19. 1648. publisher not identified], 1648.

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