APA (7th ed.) Citation

Morgan, J. P. (1984). Agatha Christie: A biography. Collins.

Chicago Style (17th ed.) Citation

Morgan, Janet P. Agatha Christie: A Biography. London: Collins, 1984.

MLA (9th ed.) Citation

Morgan, Janet P. Agatha Christie: A Biography. Collins, 1984.

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