APA (7th ed.) Citation

P.D,James. (1988). Unnatural causes. Faber and faber.

Chicago Style (17th ed.) Citation

P.D,James. Unnatural Causes. London: Faber and faber, 1988.

MLA (9th ed.) Citation

P.D,James. Unnatural Causes. Faber and faber, 1988.

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