APA (7th ed.) Citation

Butler, D. (1980). Disraeli, portrait of a romantic. Warner Books.

Chicago Style (17th ed.) Citation

Butler, David. Disraeli, Portrait of a Romantic. New York, N.Y: Warner Books, 1980.

MLA (9th ed.) Citation

Butler, David. Disraeli, Portrait of a Romantic. Warner Books, 1980.