APA (7th ed.) Citation

Ridley, J. (1957). Nicholas Ridley: A biography. Longmans.

Chicago Style (17th ed.) Citation

Ridley, Jasper. Nicholas Ridley: A Biography. London: Longmans, 1957.

MLA (8th ed.) Citation

Ridley, Jasper. Nicholas Ridley: A Biography. Longmans, 1957.

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