APA (7th ed.) Citation

O'Neill, J. H. (1984). George Villiers, Second Duke of Buckingham. Twayne.

Chicago Style (17th ed.) Citation

O'Neill, John H. George Villiers, Second Duke of Buckingham. Boston: Twayne, 1984.

MLA (9th ed.) Citation

O'Neill, John H. George Villiers, Second Duke of Buckingham. Twayne, 1984.

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