APA (7th ed.) Citation

Leonard, R. L. (2013). The great rivalry: Gladstone & Disraeli. I.B. Tauris.

Chicago Style (17th ed.) Citation

Leonard, R. L. The Great Rivalry: Gladstone & Disraeli. London ; New York: I.B. Tauris, 2013.

MLA (8th ed.) Citation

Leonard, R. L. The Great Rivalry: Gladstone & Disraeli. I.B. Tauris, 2013.