APA (7th ed.) Citation

Walsh, P. (1662). A letter desiring a just and mercifull regard of the Roman Catholicks of Ireland: Given about the end of October, 1660, to the then Marquess, now Duke of Ormond and the second time Lord Lieutenant of that kingdom. [publisher not identified].

Chicago Style (17th ed.) Citation

Walsh, Peter. A Letter Desiring a Just and Mercifull Regard of the Roman Catholicks of Ireland: Given About the End of October, 1660, to the Then Marquess, Now Duke of Ormond and the Second Time Lord Lieutenant of That Kingdom. [Dublin?]: [publisher not identified], 1662.

MLA (9th ed.) Citation

Walsh, Peter. A Letter Desiring a Just and Mercifull Regard of the Roman Catholicks of Ireland: Given About the End of October, 1660, to the Then Marquess, Now Duke of Ormond and the Second Time Lord Lieutenant of That Kingdom. [publisher not identified], 1662.

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