APA (7th ed.) Citation

Earl of Longford & O'Neill, T. P. (1970). Eamon de Valera. Hutchinson.

Chicago Style (17th ed.) Citation

Earl of Longford and Thomas P. O'Neill. Eamon De Valera. Richmond, Vic.: Hutchinson, 1970.

MLA (9th ed.) Citation

Earl of Longford and Thomas P. O'Neill. Eamon De Valera. Hutchinson, 1970.