APA (7th ed.) Citation

Longford, F. P., & O'Neill, T. P. (1970). Eamon de Valera / by the Earl of Longford & Thomas P. O'Neill. Hutchinson.

Chicago Style (17th ed.) Citation

Longford, Frank Pakenham,, and Thomas P. O'Neill. Eamon De Valera / by the Earl of Longford & Thomas P. O'Neill. London: Hutchinson, 1970.

MLA (9th ed.) Citation

Longford, Frank Pakenham,, and Thomas P. O'Neill. Eamon De Valera / by the Earl of Longford & Thomas P. O'Neill. Hutchinson, 1970.

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