Sigerson Correspondence. Letters to Dr. George Sigerson, two from Isaac Butt, n.d., 1 from Michael Davitt, 1890, 2 from John O'Leary, 1874, 1890, 6 from C. Gavan Duffy, 1889, 1893, n.d., 6 from Lord Acton, 1873, 1893, n.d.
Chicago Style (17th ed.) CitationSigerson Correspondence. Letters to Dr. George Sigerson, Two from Isaac Butt, N.d., 1 from Michael Davitt, 1890, 2 from John O'Leary, 1874, 1890, 6 from C. Gavan Duffy, 1889, 1893, N.d., 6 from Lord Acton, 1873, 1893, N.d.
MLA (9th ed.) CitationSigerson Correspondence. Letters to Dr. George Sigerson, Two from Isaac Butt, N.d., 1 from Michael Davitt, 1890, 2 from John O'Leary, 1874, 1890, 6 from C. Gavan Duffy, 1889, 1893, N.d., 6 from Lord Acton, 1873, 1893, N.d.
Warning: These citations may not always be 100% accurate.