APA (7th ed.) Citation

Duncan , L. (1990). Killing Mr Griffin. Penguin Books.

Chicago Style (17th ed.) Citation

Duncan , Lois. Killing Mr Griffin. England: Penguin Books, 1990.

MLA (9th ed.) Citation

Duncan , Lois. Killing Mr Griffin. Penguin Books, 1990.

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